UIBarItem+Notifications.xml

<Type Name="UIBarItem+Notifications" FullName="UIKit.UIBarItem+Notifications">
  <TypeSignature Language="C#" Value="public static class UIBarItem.Notifications" />
  <TypeSignature Language="ILAsm" Value=".class nested public auto ansi abstract sealed beforefieldinit UIBarItem/Notifications extends System.Object" />
  <TypeSignature Language="DocId" Value="T:UIKit.UIBarItem.Notifications" />
  <TypeSignature Language="F#" Value="type UIBarItem.Notifications = class" />
  <AssemblyInfo>
    <AssemblyName>Xamarin.iOS</AssemblyName>
    <AssemblyVersion>0.0.0.0</AssemblyVersion>
  </AssemblyInfo>
  <Base>
    <BaseTypeName>System.Object</BaseTypeName>
  </Base>
  <Interfaces />
  <Docs>
    <summary>Notifications posted by <see cref="T:UIKit.UIBarItem" /> objects.</summary>
    <remarks>
      <para>This is a static class which contains various helper methods that allow developers to observe events posted in the iOS notification hub (<see cref="T:Foundation.NSNotificationCenter" />).</para>
      <para>The methods defined in this class post events invoke the provided method or lambda with a <see cref="T:Foundation.NSNotificationEventArgs" /> parameter which contains strongly typed properties for the notification arguments.</para>
    </remarks>
  </Docs>
  <Members>
    <Member MemberName="ObserveAnnouncementDidFinish">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveAnnouncementDidFinish (EventHandler&lt;UIKit.UIAccessibilityAnnouncementFinishedEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveAnnouncementDidFinish(class System.EventHandler`1&lt;class UIKit.UIAccessibilityAnnouncementFinishedEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveAnnouncementDidFinish(System.EventHandler{UIKit.UIAccessibilityAnnouncementFinishedEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveAnnouncementDidFinish : EventHandler&lt;UIKit.UIAccessibilityAnnouncementFinishedEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveAnnouncementDidFinish handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;UIKit.UIAccessibilityAnnouncementFinishedEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.AnnouncementDidFinishNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.AnnouncementDidFinishNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveAnnouncementDidFinish ((notification) => {
	Console.WriteLine ("Observed AnnouncementDidFinishNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveAnnouncementDidFinish (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed AnnouncementDidFinishNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveAnnouncementDidFinish">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveAnnouncementDidFinish (Foundation.NSObject objectToObserve, EventHandler&lt;UIKit.UIAccessibilityAnnouncementFinishedEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveAnnouncementDidFinish(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class UIKit.UIAccessibilityAnnouncementFinishedEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveAnnouncementDidFinish(Foundation.NSObject,System.EventHandler{UIKit.UIAccessibilityAnnouncementFinishedEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveAnnouncementDidFinish : Foundation.NSObject * EventHandler&lt;UIKit.UIAccessibilityAnnouncementFinishedEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveAnnouncementDidFinish (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;UIKit.UIAccessibilityAnnouncementFinishedEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.AnnouncementDidFinishNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.AnnouncementDidFinishNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveAnnouncementDidFinish ((notification) => {
	Console.WriteLine ("Observed AnnouncementDidFinishNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveAnnouncementDidFinish (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed AnnouncementDidFinishNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveAssistiveTechnologyKey">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveAssistiveTechnologyKey (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveAssistiveTechnologyKey(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveAssistiveTechnologyKey(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveAssistiveTechnologyKey : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveAssistiveTechnologyKey handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <format type="text/html"><a href="https://docs.microsoft.com/en-us/search/index?search=UIKit%20UIBar%20Item%20Assistive%20Technology%20Key%20Notification&amp;scope=Xamarin" title="P:UIKit.UIBarItem.AssistiveTechnologyKeyNotification">P:UIKit.UIBarItem.AssistiveTechnologyKeyNotification</a></format> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <format type="text/html"><a href="https://docs.microsoft.com/en-us/search/index?search=UIKit%20UIBar%20Item%20Assistive%20Technology%20Key%20Notification&amp;scope=Xamarin" title="P:UIKit.UIBarItem.AssistiveTechnologyKeyNotification">P:UIKit.UIBarItem.AssistiveTechnologyKeyNotification</a></format> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveAssistiveTechnologyKey ((notification) => {
	Console.WriteLine ("Observed AssistiveTechnologyKeyNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveAssistiveTechnologyKey (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed AssistiveTechnologyKeyNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveAssistiveTechnologyKey">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveAssistiveTechnologyKey (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveAssistiveTechnologyKey(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveAssistiveTechnologyKey(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveAssistiveTechnologyKey : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveAssistiveTechnologyKey (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <format type="text/html"><a href="https://docs.microsoft.com/en-us/search/index?search=UIKit%20UIBar%20Item%20Assistive%20Technology%20Key%20Notification&amp;scope=Xamarin" title="P:UIKit.UIBarItem.AssistiveTechnologyKeyNotification">P:UIKit.UIBarItem.AssistiveTechnologyKeyNotification</a></format> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <format type="text/html"><a href="https://docs.microsoft.com/en-us/search/index?search=UIKit%20UIBar%20Item%20Assistive%20Technology%20Key%20Notification&amp;scope=Xamarin" title="P:UIKit.UIBarItem.AssistiveTechnologyKeyNotification">P:UIKit.UIBarItem.AssistiveTechnologyKeyNotification</a></format> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveAssistiveTechnologyKey ((notification) => {
	Console.WriteLine ("Observed AssistiveTechnologyKeyNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveAssistiveTechnologyKey (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed AssistiveTechnologyKeyNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveAssistiveTouchStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveAssistiveTouchStatusDidChange (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveAssistiveTouchStatusDidChange(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveAssistiveTouchStatusDidChange(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveAssistiveTouchStatusDidChange : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveAssistiveTouchStatusDidChange handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.AssistiveTouchStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.AssistiveTouchStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveAssistiveTouchStatusDidChange ((notification) => {
	Console.WriteLine ("Observed AssistiveTouchStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveAssistiveTouchStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed AssistiveTouchStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveAssistiveTouchStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveAssistiveTouchStatusDidChange (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveAssistiveTouchStatusDidChange(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveAssistiveTouchStatusDidChange(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveAssistiveTouchStatusDidChange : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveAssistiveTouchStatusDidChange (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.AssistiveTouchStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.AssistiveTouchStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveAssistiveTouchStatusDidChange ((notification) => {
	Console.WriteLine ("Observed AssistiveTouchStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveAssistiveTouchStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed AssistiveTouchStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveBoldTextStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveBoldTextStatusDidChange (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveBoldTextStatusDidChange(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveBoldTextStatusDidChange(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveBoldTextStatusDidChange : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveBoldTextStatusDidChange handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.BoldTextStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.BoldTextStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveBoldTextStatusDidChange ((notification) => {
	Console.WriteLine ("Observed BoldTextStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveBoldTextStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed BoldTextStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveBoldTextStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveBoldTextStatusDidChange (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveBoldTextStatusDidChange(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveBoldTextStatusDidChange(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveBoldTextStatusDidChange : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveBoldTextStatusDidChange (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.BoldTextStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.BoldTextStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveBoldTextStatusDidChange ((notification) => {
	Console.WriteLine ("Observed BoldTextStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveBoldTextStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed BoldTextStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveClosedCaptioningStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveClosedCaptioningStatusDidChange (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveClosedCaptioningStatusDidChange(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveClosedCaptioningStatusDidChange(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveClosedCaptioningStatusDidChange : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveClosedCaptioningStatusDidChange handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.ClosedCaptioningStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.ClosedCaptioningStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveClosedCaptioningStatusDidChange ((notification) => {
	Console.WriteLine ("Observed ClosedCaptioningStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveClosedCaptioningStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed ClosedCaptioningStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveClosedCaptioningStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveClosedCaptioningStatusDidChange (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveClosedCaptioningStatusDidChange(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveClosedCaptioningStatusDidChange(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveClosedCaptioningStatusDidChange : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveClosedCaptioningStatusDidChange (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.ClosedCaptioningStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.ClosedCaptioningStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveClosedCaptioningStatusDidChange ((notification) => {
	Console.WriteLine ("Observed ClosedCaptioningStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveClosedCaptioningStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed ClosedCaptioningStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveDarkerSystemColorsStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveDarkerSystemColorsStatusDidChange (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveDarkerSystemColorsStatusDidChange(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveDarkerSystemColorsStatusDidChange(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveDarkerSystemColorsStatusDidChange : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveDarkerSystemColorsStatusDidChange handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.DarkerSystemColorsStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.DarkerSystemColorsStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveDarkerSystemColorsStatusDidChange ((notification) => {
	Console.WriteLine ("Observed DarkerSystemColorsStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveDarkerSystemColorsStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed DarkerSystemColorsStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveDarkerSystemColorsStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveDarkerSystemColorsStatusDidChange (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveDarkerSystemColorsStatusDidChange(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveDarkerSystemColorsStatusDidChange(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveDarkerSystemColorsStatusDidChange : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveDarkerSystemColorsStatusDidChange (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.DarkerSystemColorsStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.DarkerSystemColorsStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveDarkerSystemColorsStatusDidChange ((notification) => {
	Console.WriteLine ("Observed DarkerSystemColorsStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveDarkerSystemColorsStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed DarkerSystemColorsStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveElementFocused">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveElementFocused (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveElementFocused(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveElementFocused(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveElementFocused : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveElementFocused handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.ElementFocusedNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.ElementFocusedNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveElementFocused ((notification) => {
	Console.WriteLine ("Observed ElementFocusedNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveElementFocused (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed ElementFocusedNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveElementFocused">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveElementFocused (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveElementFocused(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveElementFocused(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveElementFocused : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveElementFocused (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.ElementFocusedNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.ElementFocusedNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveElementFocused ((notification) => {
	Console.WriteLine ("Observed ElementFocusedNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveElementFocused (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed ElementFocusedNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveFocusedElementKey">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveFocusedElementKey (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveFocusedElementKey(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveFocusedElementKey(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveFocusedElementKey : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveFocusedElementKey handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <format type="text/html"><a href="https://docs.microsoft.com/en-us/search/index?search=UIKit%20UIBar%20Item%20Focused%20Element%20Key%20Notification&amp;scope=Xamarin" title="P:UIKit.UIBarItem.FocusedElementKeyNotification">P:UIKit.UIBarItem.FocusedElementKeyNotification</a></format> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <format type="text/html"><a href="https://docs.microsoft.com/en-us/search/index?search=UIKit%20UIBar%20Item%20Focused%20Element%20Key%20Notification&amp;scope=Xamarin" title="P:UIKit.UIBarItem.FocusedElementKeyNotification">P:UIKit.UIBarItem.FocusedElementKeyNotification</a></format> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveFocusedElementKey ((notification) => {
	Console.WriteLine ("Observed FocusedElementKeyNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveFocusedElementKey (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed FocusedElementKeyNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveFocusedElementKey">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveFocusedElementKey (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveFocusedElementKey(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveFocusedElementKey(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveFocusedElementKey : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveFocusedElementKey (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <format type="text/html"><a href="https://docs.microsoft.com/en-us/search/index?search=UIKit%20UIBar%20Item%20Focused%20Element%20Key%20Notification&amp;scope=Xamarin" title="P:UIKit.UIBarItem.FocusedElementKeyNotification">P:UIKit.UIBarItem.FocusedElementKeyNotification</a></format> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <format type="text/html"><a href="https://docs.microsoft.com/en-us/search/index?search=UIKit%20UIBar%20Item%20Focused%20Element%20Key%20Notification&amp;scope=Xamarin" title="P:UIKit.UIBarItem.FocusedElementKeyNotification">P:UIKit.UIBarItem.FocusedElementKeyNotification</a></format> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveFocusedElementKey ((notification) => {
	Console.WriteLine ("Observed FocusedElementKeyNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveFocusedElementKey (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed FocusedElementKeyNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveGrayscaleStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveGrayscaleStatusDidChange (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveGrayscaleStatusDidChange(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveGrayscaleStatusDidChange(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveGrayscaleStatusDidChange : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveGrayscaleStatusDidChange handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.GrayscaleStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.GrayscaleStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveGrayscaleStatusDidChange ((notification) => {
	Console.WriteLine ("Observed GrayscaleStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveGrayscaleStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed GrayscaleStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveGrayscaleStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveGrayscaleStatusDidChange (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveGrayscaleStatusDidChange(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveGrayscaleStatusDidChange(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveGrayscaleStatusDidChange : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveGrayscaleStatusDidChange (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.GrayscaleStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.GrayscaleStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveGrayscaleStatusDidChange ((notification) => {
	Console.WriteLine ("Observed GrayscaleStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveGrayscaleStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed GrayscaleStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveGuidedAccessStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveGuidedAccessStatusDidChange (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveGuidedAccessStatusDidChange(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveGuidedAccessStatusDidChange(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveGuidedAccessStatusDidChange : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveGuidedAccessStatusDidChange handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.GuidedAccessStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.GuidedAccessStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveGuidedAccessStatusDidChange ((notification) => {
	Console.WriteLine ("Observed GuidedAccessStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveGuidedAccessStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed GuidedAccessStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveGuidedAccessStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveGuidedAccessStatusDidChange (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveGuidedAccessStatusDidChange(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveGuidedAccessStatusDidChange(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveGuidedAccessStatusDidChange : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveGuidedAccessStatusDidChange (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.GuidedAccessStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.GuidedAccessStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveGuidedAccessStatusDidChange ((notification) => {
	Console.WriteLine ("Observed GuidedAccessStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveGuidedAccessStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed GuidedAccessStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveHearingDevicePairedEarDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveHearingDevicePairedEarDidChange (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveHearingDevicePairedEarDidChange(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveHearingDevicePairedEarDidChange(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveHearingDevicePairedEarDidChange : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveHearingDevicePairedEarDidChange handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.HearingDevicePairedEarDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.HearingDevicePairedEarDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveHearingDevicePairedEarDidChange ((notification) => {
	Console.WriteLine ("Observed HearingDevicePairedEarDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveHearingDevicePairedEarDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed HearingDevicePairedEarDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveHearingDevicePairedEarDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveHearingDevicePairedEarDidChange (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveHearingDevicePairedEarDidChange(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveHearingDevicePairedEarDidChange(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveHearingDevicePairedEarDidChange : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveHearingDevicePairedEarDidChange (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.HearingDevicePairedEarDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.HearingDevicePairedEarDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveHearingDevicePairedEarDidChange ((notification) => {
	Console.WriteLine ("Observed HearingDevicePairedEarDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveHearingDevicePairedEarDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed HearingDevicePairedEarDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveInvertColorsStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveInvertColorsStatusDidChange (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveInvertColorsStatusDidChange(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveInvertColorsStatusDidChange(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveInvertColorsStatusDidChange : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveInvertColorsStatusDidChange handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.InvertColorsStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.InvertColorsStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveInvertColorsStatusDidChange ((notification) => {
	Console.WriteLine ("Observed InvertColorsStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveInvertColorsStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed InvertColorsStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveInvertColorsStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveInvertColorsStatusDidChange (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveInvertColorsStatusDidChange(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveInvertColorsStatusDidChange(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveInvertColorsStatusDidChange : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveInvertColorsStatusDidChange (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.InvertColorsStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.InvertColorsStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveInvertColorsStatusDidChange ((notification) => {
	Console.WriteLine ("Observed InvertColorsStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveInvertColorsStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed InvertColorsStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveMonoAudioStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveMonoAudioStatusDidChange (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveMonoAudioStatusDidChange(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveMonoAudioStatusDidChange(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveMonoAudioStatusDidChange : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveMonoAudioStatusDidChange handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.MonoAudioStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.MonoAudioStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveMonoAudioStatusDidChange ((notification) => {
	Console.WriteLine ("Observed MonoAudioStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveMonoAudioStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed MonoAudioStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveMonoAudioStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveMonoAudioStatusDidChange (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveMonoAudioStatusDidChange(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveMonoAudioStatusDidChange(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveMonoAudioStatusDidChange : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveMonoAudioStatusDidChange (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.MonoAudioStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.MonoAudioStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveMonoAudioStatusDidChange ((notification) => {
	Console.WriteLine ("Observed MonoAudioStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveMonoAudioStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed MonoAudioStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveReduceMotionStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveReduceMotionStatusDidChange (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveReduceMotionStatusDidChange(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveReduceMotionStatusDidChange(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveReduceMotionStatusDidChange : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveReduceMotionStatusDidChange handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.ReduceMotionStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.ReduceMotionStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveReduceMotionStatusDidChange ((notification) => {
	Console.WriteLine ("Observed ReduceMotionStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveReduceMotionStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed ReduceMotionStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveReduceMotionStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveReduceMotionStatusDidChange (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveReduceMotionStatusDidChange(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveReduceMotionStatusDidChange(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveReduceMotionStatusDidChange : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveReduceMotionStatusDidChange (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.ReduceMotionStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.ReduceMotionStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveReduceMotionStatusDidChange ((notification) => {
	Console.WriteLine ("Observed ReduceMotionStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveReduceMotionStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed ReduceMotionStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveReduceTransparencyStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveReduceTransparencyStatusDidChange (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveReduceTransparencyStatusDidChange(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveReduceTransparencyStatusDidChange(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveReduceTransparencyStatusDidChange : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveReduceTransparencyStatusDidChange handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.ReduceTransparencyStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.ReduceTransparencyStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveReduceTransparencyStatusDidChange ((notification) => {
	Console.WriteLine ("Observed ReduceTransparencyStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveReduceTransparencyStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed ReduceTransparencyStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveReduceTransparencyStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveReduceTransparencyStatusDidChange (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveReduceTransparencyStatusDidChange(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveReduceTransparencyStatusDidChange(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveReduceTransparencyStatusDidChange : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveReduceTransparencyStatusDidChange (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.ReduceTransparencyStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.ReduceTransparencyStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveReduceTransparencyStatusDidChange ((notification) => {
	Console.WriteLine ("Observed ReduceTransparencyStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveReduceTransparencyStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed ReduceTransparencyStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveShakeToUndoDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveShakeToUndoDidChange (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveShakeToUndoDidChange(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveShakeToUndoDidChange(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveShakeToUndoDidChange : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveShakeToUndoDidChange handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.ShakeToUndoDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.ShakeToUndoDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveShakeToUndoDidChange ((notification) => {
	Console.WriteLine ("Observed ShakeToUndoDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveShakeToUndoDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed ShakeToUndoDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveShakeToUndoDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveShakeToUndoDidChange (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveShakeToUndoDidChange(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveShakeToUndoDidChange(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveShakeToUndoDidChange : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveShakeToUndoDidChange (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.ShakeToUndoDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.ShakeToUndoDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveShakeToUndoDidChange ((notification) => {
	Console.WriteLine ("Observed ShakeToUndoDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveShakeToUndoDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed ShakeToUndoDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveSpeakScreenStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveSpeakScreenStatusDidChange (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveSpeakScreenStatusDidChange(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveSpeakScreenStatusDidChange(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveSpeakScreenStatusDidChange : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveSpeakScreenStatusDidChange handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.SpeakScreenStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.SpeakScreenStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveSpeakScreenStatusDidChange ((notification) => {
	Console.WriteLine ("Observed SpeakScreenStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveSpeakScreenStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed SpeakScreenStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveSpeakScreenStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveSpeakScreenStatusDidChange (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveSpeakScreenStatusDidChange(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveSpeakScreenStatusDidChange(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveSpeakScreenStatusDidChange : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveSpeakScreenStatusDidChange (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.SpeakScreenStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.SpeakScreenStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveSpeakScreenStatusDidChange ((notification) => {
	Console.WriteLine ("Observed SpeakScreenStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveSpeakScreenStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed SpeakScreenStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveSpeakSelectionStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveSpeakSelectionStatusDidChange (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveSpeakSelectionStatusDidChange(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveSpeakSelectionStatusDidChange(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveSpeakSelectionStatusDidChange : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveSpeakSelectionStatusDidChange handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.SpeakSelectionStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.SpeakSelectionStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveSpeakSelectionStatusDidChange ((notification) => {
	Console.WriteLine ("Observed SpeakSelectionStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveSpeakSelectionStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed SpeakSelectionStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveSpeakSelectionStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveSpeakSelectionStatusDidChange (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveSpeakSelectionStatusDidChange(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveSpeakSelectionStatusDidChange(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveSpeakSelectionStatusDidChange : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveSpeakSelectionStatusDidChange (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.SpeakSelectionStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.SpeakSelectionStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveSpeakSelectionStatusDidChange ((notification) => {
	Console.WriteLine ("Observed SpeakSelectionStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveSpeakSelectionStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed SpeakSelectionStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveSwitchControlStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveSwitchControlStatusDidChange (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveSwitchControlStatusDidChange(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveSwitchControlStatusDidChange(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveSwitchControlStatusDidChange : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveSwitchControlStatusDidChange handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.SwitchControlStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.SwitchControlStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveSwitchControlStatusDidChange ((notification) => {
	Console.WriteLine ("Observed SwitchControlStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveSwitchControlStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed SwitchControlStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveSwitchControlStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveSwitchControlStatusDidChange (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveSwitchControlStatusDidChange(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveSwitchControlStatusDidChange(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveSwitchControlStatusDidChange : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveSwitchControlStatusDidChange (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.SwitchControlStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.SwitchControlStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveSwitchControlStatusDidChange ((notification) => {
	Console.WriteLine ("Observed SwitchControlStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveSwitchControlStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed SwitchControlStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveUnfocusedElementKey">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveUnfocusedElementKey (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveUnfocusedElementKey(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveUnfocusedElementKey(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveUnfocusedElementKey : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveUnfocusedElementKey handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
        <AssemblyName>Xamarin.iOS</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <format type="text/html"><a href="https://docs.microsoft.com/en-us/search/index?search=UIKit%20UIBar%20Item%20Unfocused%20Element%20Key%20Notification&amp;scope=Xamarin" title="P:UIKit.UIBarItem.UnfocusedElementKeyNotification">P:UIKit.UIBarItem.UnfocusedElementKeyNotification</a></format> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <format type="text/html"><a href="https://docs.microsoft.com/en-us/search/index?search=UIKit%20UIBar%20Item%20Unfocused%20Element%20Key%20Notification&amp;scope=Xamarin" title="P:UIKit.UIBarItem.UnfocusedElementKeyNotification">P:UIKit.UIBarItem.UnfocusedElementKeyNotification</a></format> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveUnfocusedElementKey ((notification) => {
	Console.WriteLine ("Observed UnfocusedElementKeyNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveUnfocusedElementKey (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed UnfocusedElementKeyNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveUnfocusedElementKey">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveUnfocusedElementKey (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveUnfocusedElementKey(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveUnfocusedElementKey(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveUnfocusedElementKey : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveUnfocusedElementKey (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <format type="text/html"><a href="https://docs.microsoft.com/en-us/search/index?search=UIKit%20UIBar%20Item%20Unfocused%20Element%20Key%20Notification&amp;scope=Xamarin" title="P:UIKit.UIBarItem.UnfocusedElementKeyNotification">P:UIKit.UIBarItem.UnfocusedElementKeyNotification</a></format> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <format type="text/html"><a href="https://docs.microsoft.com/en-us/search/index?search=UIKit%20UIBar%20Item%20Unfocused%20Element%20Key%20Notification&amp;scope=Xamarin" title="P:UIKit.UIBarItem.UnfocusedElementKeyNotification">P:UIKit.UIBarItem.UnfocusedElementKeyNotification</a></format> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveUnfocusedElementKey ((notification) => {
	Console.WriteLine ("Observed UnfocusedElementKeyNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveUnfocusedElementKey (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed UnfocusedElementKeyNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveVoiceOverStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveVoiceOverStatusDidChange (EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveVoiceOverStatusDidChange(class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveVoiceOverStatusDidChange(System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveVoiceOverStatusDidChange : EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveVoiceOverStatusDidChange handler" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.VoiceOverStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.VoiceOverStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveVoiceOverStatusDidChange ((notification) => {
	Console.WriteLine ("Observed VoiceOverStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveVoiceOverStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed VoiceOverStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="ObserveVoiceOverStatusDidChange">
      <MemberSignature Language="C#" Value="public static Foundation.NSObject ObserveVoiceOverStatusDidChange (Foundation.NSObject objectToObserve, EventHandler&lt;Foundation.NSNotificationEventArgs&gt; handler);" />
      <MemberSignature Language="ILAsm" Value=".method public static hidebysig class Foundation.NSObject ObserveVoiceOverStatusDidChange(class Foundation.NSObject objectToObserve, class System.EventHandler`1&lt;class Foundation.NSNotificationEventArgs&gt; handler) cil managed" />
      <MemberSignature Language="DocId" Value="M:UIKit.UIBarItem.Notifications.ObserveVoiceOverStatusDidChange(Foundation.NSObject,System.EventHandler{Foundation.NSNotificationEventArgs})" />
      <MemberSignature Language="F#" Value="static member ObserveVoiceOverStatusDidChange : Foundation.NSObject * EventHandler&lt;Foundation.NSNotificationEventArgs&gt; -&gt; Foundation.NSObject" Usage="UIKit.UIBarItem.Notifications.ObserveVoiceOverStatusDidChange (objectToObserve, handler)" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>Xamarin.iOS</AssemblyName>
        <AssemblyVersion>0.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>Foundation.NSObject</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="objectToObserve" Type="Foundation.NSObject" />
        <Parameter Name="handler" Type="System.EventHandler&lt;Foundation.NSNotificationEventArgs&gt;" />
      </Parameters>
      <Docs>
        <param name="objectToObserve">The object to observe.</param>
        <param name="handler">Method to invoke when the notification is posted.</param>
        <summary>Strongly typed notification for the <see cref="P:UIKit.UIBarItem.VoiceOverStatusDidChangeNotification" /> constant.</summary>
        <returns>Token object that can be used to stop receiving notifications by either disposing it or passing it to <see cref="M:Foundation.NSNotificationCenter.RemoveObservers(System.Collections.Generic.IEnumerable{Foundation.NSObject})" /></returns>
        <remarks>
          <para id="tool-remark">This method can be used to subscribe for <see cref="P:UIKit.UIBarItem.VoiceOverStatusDidChangeNotification" /> notifications.</para>
          <example>
            <code lang="csharp lang-csharp"><![CDATA[
// Listen to all notifications posted for any object
var token = UIBarItem.Notifications.ObserveVoiceOverStatusDidChange ((notification) => {
	Console.WriteLine ("Observed VoiceOverStatusDidChangeNotification!");
};

// Listen to all notifications posted for a single object
var token = UIBarItem.Notifications.ObserveVoiceOverStatusDidChange (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed VoiceOverStatusDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();
]]></code>
          </example>
        </remarks>
      </Docs>
    </Member>
  </Members>
</Type>