/
CallbackBehaviorAttribute.xml
847 lines (778 loc) · 61.2 KB
/
CallbackBehaviorAttribute.xml
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<Type Name="CallbackBehaviorAttribute" FullName="System.ServiceModel.CallbackBehaviorAttribute">
<TypeSignature Language="C#" Value="public sealed class CallbackBehaviorAttribute : Attribute, System.ServiceModel.Description.IEndpointBehavior" />
<TypeSignature Language="ILAsm" Value=".class public auto ansi sealed beforefieldinit CallbackBehaviorAttribute extends System.Attribute implements class System.ServiceModel.Description.IEndpointBehavior" />
<TypeSignature Language="DocId" Value="T:System.ServiceModel.CallbackBehaviorAttribute" />
<TypeSignature Language="VB.NET" Value="Public NotInheritable Class CallbackBehaviorAttribute
Inherits Attribute
Implements IEndpointBehavior" />
<TypeSignature Language="F#" Value="type CallbackBehaviorAttribute = class
 inherit Attribute
 interface IEndpointBehavior" />
<TypeSignature Language="C++ CLI" Value="public ref class CallbackBehaviorAttribute sealed : Attribute, System::ServiceModel::Description::IEndpointBehavior" />
<AssemblyInfo>
<AssemblyName>System.ServiceModel</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>3.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Duplex</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
<AssemblyVersion>4.0.2.0</AssemblyVersion>
<AssemblyVersion>4.6.0.0</AssemblyVersion>
<AssemblyVersion>4.7.0.0</AssemblyVersion>
<AssemblyVersion>4.9.0.0</AssemblyVersion>
<AssemblyVersion>4.10.0.0</AssemblyVersion>
<AssemblyVersion>4.10.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Primitives</AssemblyName>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>6.2.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Private.ServiceModel</AssemblyName>
<AssemblyVersion>4.10.3.0</AssemblyVersion>
</AssemblyInfo>
<TypeForwardingChain>
<TypeForwarding From="System.ServiceModel" FromVersion="4.0.0.0" To="System.ServiceModel.Duplex" ToVersion="4.6.0.0" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2;dotnet-plat-ext-3.0" />
<TypeForwarding From="System.ServiceModel" FromVersion="4.0.0.0" To="System.ServiceModel.Duplex" ToVersion="4.7.0.0" FrameworkAlternate="dotnet-plat-ext-3.1" />
<TypeForwarding From="System.ServiceModel" FromVersion="4.0.0.0" To="System.ServiceModel.Duplex" ToVersion="5.0.0.0" FrameworkAlternate="dotnet-plat-ext-5.0" />
<TypeForwarding From="System.ServiceModel" FromVersion="4.0.0.0" To="System.ServiceModel.Duplex" ToVersion="0.0.0.0" FrameworkAlternate="dotnet-uwp-10.0" />
<TypeForwarding From="System.ServiceModel.Duplex" FromVersion="6.0.0.0" To="System.ServiceModel.Primitives" ToVersion="6.0.0.0" FrameworkAlternate="net-6.0" />
</TypeForwardingChain>
<Base>
<BaseTypeName>System.Attribute</BaseTypeName>
</Base>
<Interfaces>
<Interface>
<InterfaceName>System.ServiceModel.Description.IEndpointBehavior</InterfaceName>
</Interface>
</Interfaces>
<Attributes>
<Attribute>
<AttributeName Language="C#">[System.AttributeUsage(System.AttributeTargets.Class)]</AttributeName>
<AttributeName Language="F#">[<System.AttributeUsage(System.AttributeTargets.Class)>]</AttributeName>
</Attribute>
</Attributes>
<Docs>
<summary>Configures a callback service implementation in a client application.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
Use the <xref:System.ServiceModel.CallbackBehaviorAttribute> attribute to configure or extend the execution behavior of a callback contract implementation in a client application. This attribute performs the same function for the callback class as the <xref:System.ServiceModel.ServiceBehaviorAttribute> attribute with the exception of instancing behavior and transaction settings.
The <xref:System.ServiceModel.CallbackBehaviorAttribute> must be applied to the class that implements the callback contract. If applied to a non-duplex contract implementation an <xref:System.InvalidOperationException> exception is thrown at runtime.
> [!NOTE]
> You can also use the <xref:System.ServiceModel.OperationBehaviorAttribute> attribute for the callback operation implementations. However, if <xref:System.ServiceModel.OperationBehaviorAttribute> is used on a callback operation, the <xref:System.ServiceModel.OperationBehaviorAttribute.ReleaseInstanceMode%2A> property must be <xref:System.ServiceModel.ReleaseInstanceMode.None> or an <xref:System.InvalidOperationException> exception is thrown at runtime.
The following properties are available:
- The <xref:System.ServiceModel.CallbackBehaviorAttribute.AutomaticSessionShutdown%2A> property automatically closes the session when the channel is closed and the callback has finished processing any remaining messages.
- The <xref:System.ServiceModel.CallbackBehaviorAttribute.ConcurrencyMode%2A> property controls the internal threading model, enabling support for reentrant or multithreaded callback objects.
- The <xref:System.ServiceModel.CallbackBehaviorAttribute.IgnoreExtensionDataObject%2A> property enables the runtime to ignore extra serialization information that is not required to process the message.
- The <xref:System.ServiceModel.CallbackBehaviorAttribute.IncludeExceptionDetailInFaults%2A> property specifies whether unhandled exceptions in a service are returned to the service as SOAP faults for debugging purposes.
- The <xref:System.ServiceModel.CallbackBehaviorAttribute.MaxItemsInObjectGraph%2A> property limits on the number of items in an object graph that are serialized.
- The <xref:System.ServiceModel.CallbackBehaviorAttribute.TransactionIsolationLevel%2A> property specifies the transaction isolation level that the contract supports.
- The <xref:System.ServiceModel.CallbackBehaviorAttribute.TransactionTimeout%2A> property specifies the time period within which a transaction must complete or it aborts.
- The <xref:System.ServiceModel.CallbackBehaviorAttribute.UseSynchronizationContext%2A> property indicates whether to synchronize inbound method calls automatically using the current <xref:System.Threading.SynchronizationContext> object.
- The <xref:System.ServiceModel.CallbackBehaviorAttribute.ValidateMustUnderstand%2A> property informs the system whether it should confirm that SOAP headers marked as `MustUnderstand` have, in fact, been understood.
## Examples
The following code example shows a <xref:System.ServiceModel.CallbackBehaviorAttribute> on a callback object that uses the <xref:System.Threading.SynchronizationContext> object to determine which thread to marshal to, the <xref:System.ServiceModel.CallbackBehaviorAttribute.ValidateMustUnderstand%2A> property to enforce message validation, and the <xref:System.ServiceModel.CallbackBehaviorAttribute.IncludeExceptionDetailInFaults%2A> property to return exceptions as <xref:System.ServiceModel.FaultException> objects to the service for debugging purposes.
:::code language="csharp" source="~/snippets/csharp/VS_Snippets_CFX/callbackbehaviorattribute/cs/client.cs" id="Snippet3":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CFX/callbackbehaviorattribute/vb/client.vb" id="Snippet3":::
]]></format>
</remarks>
</Docs>
<Members>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public CallbackBehaviorAttribute ();" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor() cil managed" />
<MemberSignature Language="DocId" Value="M:System.ServiceModel.CallbackBehaviorAttribute.#ctor" />
<MemberSignature Language="VB.NET" Value="Public Sub New ()" />
<MemberSignature Language="C++ CLI" Value="public:
 CallbackBehaviorAttribute();" />
<MemberType>Constructor</MemberType>
<AssemblyInfo>
<AssemblyName>System.ServiceModel</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>3.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Duplex</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
<AssemblyVersion>4.0.2.0</AssemblyVersion>
<AssemblyVersion>4.6.0.0</AssemblyVersion>
<AssemblyVersion>4.7.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Primitives</AssemblyName>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>6.2.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Private.ServiceModel</AssemblyName>
<AssemblyVersion>4.10.3.0</AssemblyVersion>
</AssemblyInfo>
<Parameters />
<Docs>
<summary>Initializes a new instance of the <see cref="T:System.ServiceModel.CallbackBehaviorAttribute" /> class.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The default settings for the <xref:System.ServiceModel.CallbackBehaviorAttribute> are:
- The <xref:System.ServiceModel.CallbackBehaviorAttribute.AutomaticSessionShutdown%2A> property is `true`.
- The <xref:System.ServiceModel.CallbackBehaviorAttribute.ConcurrencyMode%2A> is set to <xref:System.ServiceModel.ConcurrencyMode.Single>.
- The <xref:System.ServiceModel.CallbackBehaviorAttribute.IgnoreExtensionDataObject%2A> property is `false`.
- <xref:System.ServiceModel.ServiceBehaviorAttribute.IncludeExceptionDetailInFaults%2A> is `false`.
- <xref:System.ServiceModel.CallbackBehaviorAttribute.UseSynchronizationContext%2A> is `false`.
- The <xref:System.ServiceModel.CallbackBehaviorAttribute.ValidateMustUnderstand%2A> property is `true`.
## Examples
The following code example shows a <xref:System.ServiceModel.CallbackBehaviorAttribute> on a callback object that uses the <xref:System.Threading.SynchronizationContext> object to determine which thread to marshal to, the <xref:System.ServiceModel.CallbackBehaviorAttribute.ValidateMustUnderstand%2A> property to enforce message validation, and the <xref:System.ServiceModel.CallbackBehaviorAttribute.IncludeExceptionDetailInFaults%2A> property to return exceptions as <xref:System.ServiceModel.FaultException> objects to the service for debugging purposes.
:::code language="csharp" source="~/snippets/csharp/VS_Snippets_CFX/callbackbehaviorattribute/cs/client.cs" id="Snippet3":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CFX/callbackbehaviorattribute/vb/client.vb" id="Snippet3":::
]]></format>
</remarks>
</Docs>
</Member>
<Member MemberName="AutomaticSessionShutdown">
<MemberSignature Language="C#" Value="public bool AutomaticSessionShutdown { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance bool AutomaticSessionShutdown" />
<MemberSignature Language="DocId" Value="P:System.ServiceModel.CallbackBehaviorAttribute.AutomaticSessionShutdown" />
<MemberSignature Language="VB.NET" Value="Public Property AutomaticSessionShutdown As Boolean" />
<MemberSignature Language="F#" Value="member this.AutomaticSessionShutdown : bool with get, set" Usage="System.ServiceModel.CallbackBehaviorAttribute.AutomaticSessionShutdown" />
<MemberSignature Language="C++ CLI" Value="public:
 property bool AutomaticSessionShutdown { bool get(); void set(bool value); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.ServiceModel</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>3.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Duplex</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
<AssemblyVersion>4.0.2.0</AssemblyVersion>
<AssemblyVersion>4.6.0.0</AssemblyVersion>
<AssemblyVersion>4.7.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Primitives</AssemblyName>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>6.2.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Private.ServiceModel</AssemblyName>
<AssemblyVersion>4.10.3.0</AssemblyVersion>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[get: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<get: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[set: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<set: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
</Attributes>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Docs>
<summary>Specifies whether to automatically close a session when a service closes a duplex session.</summary>
<value>
<see langword="true" /> if duplex callback objects automatically close a session when the service closes a duplex session; otherwise, <see langword="false" />. The default is <see langword="true" />.</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
By default, when a service closes a duplex session and the callback has finished processing any remaining messages, the callback closes the session. Setting <xref:System.ServiceModel.CallbackBehaviorAttribute.AutomaticSessionShutdown%2A> to `false` prevents the client from automatically closing the session.
]]></format>
</remarks>
</Docs>
</Member>
<Member MemberName="ConcurrencyMode">
<MemberSignature Language="C#" Value="public System.ServiceModel.ConcurrencyMode ConcurrencyMode { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance valuetype System.ServiceModel.ConcurrencyMode ConcurrencyMode" />
<MemberSignature Language="DocId" Value="P:System.ServiceModel.CallbackBehaviorAttribute.ConcurrencyMode" />
<MemberSignature Language="VB.NET" Value="Public Property ConcurrencyMode As ConcurrencyMode" />
<MemberSignature Language="F#" Value="member this.ConcurrencyMode : System.ServiceModel.ConcurrencyMode with get, set" Usage="System.ServiceModel.CallbackBehaviorAttribute.ConcurrencyMode" />
<MemberSignature Language="C++ CLI" Value="public:
 property System::ServiceModel::ConcurrencyMode ConcurrencyMode { System::ServiceModel::ConcurrencyMode get(); void set(System::ServiceModel::ConcurrencyMode value); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.ServiceModel</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>3.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Duplex</AssemblyName>
<AssemblyVersion>4.9.0.0</AssemblyVersion>
<AssemblyVersion>4.10.0.0</AssemblyVersion>
<AssemblyVersion>4.10.2.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Primitives</AssemblyName>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Private.ServiceModel</AssemblyName>
<AssemblyVersion>4.10.3.0</AssemblyVersion>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[get: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<get: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
</Attributes>
<ReturnValue>
<ReturnType>System.ServiceModel.ConcurrencyMode</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets or sets whether a service supports one thread, multiple threads, or reentrant calls.</summary>
<value>One of the <see cref="T:System.ServiceModel.ConcurrencyMode" /> values; the default is <see cref="F:System.ServiceModel.ConcurrencyMode.Single" />.</value>
<remarks>
<format type="text/markdown"><.
]]></format>
</remarks>
<exception cref="T:System.ArgumentOutOfRangeException">The value is not one of the <see cref="T:System.ServiceModel.ConcurrencyMode" /> values.</exception>
</Docs>
</Member>
<Member MemberName="IgnoreExtensionDataObject">
<MemberSignature Language="C#" Value="public bool IgnoreExtensionDataObject { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance bool IgnoreExtensionDataObject" />
<MemberSignature Language="DocId" Value="P:System.ServiceModel.CallbackBehaviorAttribute.IgnoreExtensionDataObject" />
<MemberSignature Language="VB.NET" Value="Public Property IgnoreExtensionDataObject As Boolean" />
<MemberSignature Language="F#" Value="member this.IgnoreExtensionDataObject : bool with get, set" Usage="System.ServiceModel.CallbackBehaviorAttribute.IgnoreExtensionDataObject" />
<MemberSignature Language="C++ CLI" Value="public:
 property bool IgnoreExtensionDataObject { bool get(); void set(bool value); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.ServiceModel</AssemblyName>
<AssemblyVersion>3.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Duplex</AssemblyName>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Primitives</AssemblyName>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[get: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<get: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[set: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<set: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
</Attributes>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets or sets a value that specifies whether to send unknown serialization data onto the wire.</summary>
<value>
<see langword="true" /> if unknown serialization data is never sent; otherwise, <see langword="false" />. The default is <see langword="false" />.</value>
<remarks>
<format type="text/markdown">< element to set this property in a client application configuration file.
]]></format>
</remarks>
</Docs>
</Member>
<Member MemberName="IncludeExceptionDetailInFaults">
<MemberSignature Language="C#" Value="public bool IncludeExceptionDetailInFaults { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance bool IncludeExceptionDetailInFaults" />
<MemberSignature Language="DocId" Value="P:System.ServiceModel.CallbackBehaviorAttribute.IncludeExceptionDetailInFaults" />
<MemberSignature Language="VB.NET" Value="Public Property IncludeExceptionDetailInFaults As Boolean" />
<MemberSignature Language="F#" Value="member this.IncludeExceptionDetailInFaults : bool with get, set" Usage="System.ServiceModel.CallbackBehaviorAttribute.IncludeExceptionDetailInFaults" />
<MemberSignature Language="C++ CLI" Value="public:
 property bool IncludeExceptionDetailInFaults { bool get(); void set(bool value); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.ServiceModel</AssemblyName>
<AssemblyVersion>3.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Duplex</AssemblyName>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Primitives</AssemblyName>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[get: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<get: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[set: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<set: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
</Attributes>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets or sets a value that specifies that general unhandled execution exceptions are to be converted into a <see cref="T:System.ServiceModel.FaultException`1" /> of type <see cref="T:System.String" /> and sent as a fault message. Set this to <see langword="true" /> only during development to troubleshoot a service.</summary>
<value>
<see langword="true" /> if unhandled exceptions are to be returned as SOAP faults; otherwise, <see langword="false" />. The default is <see langword="false" />.</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
Set <xref:System.ServiceModel.CallbackBehaviorAttribute.IncludeExceptionDetailInFaults%2A> to `true` to enable exception information to flow back to services for debugging purposes when possible. This is a development-only feature and should not be employed in deployed services. These faults appear to the calling service as <xref:System.ServiceModel.FaultException> objects.
> [!IMPORTANT]
> Setting <xref:System.ServiceModel.CallbackBehaviorAttribute.IncludeExceptionDetailInFaults%2A> to `true` enables services to obtain information about internal client callback exceptions; it is only recommended as a way of temporarily debugging a duplex client application.
## Examples
The following code example shows a <xref:System.ServiceModel.CallbackBehaviorAttribute> on a callback object that uses the <xref:System.Threading.SynchronizationContext> object to determine which thread to marshal to, the <xref:System.ServiceModel.CallbackBehaviorAttribute.ValidateMustUnderstand%2A> property to enforce message validation, and the <xref:System.ServiceModel.CallbackBehaviorAttribute.IncludeExceptionDetailInFaults%2A> property to return exceptions as <xref:System.ServiceModel.FaultException> objects to the service for debugging purposes.
:::code language="csharp" source="~/snippets/csharp/VS_Snippets_CFX/callbackbehaviorattribute/cs/client.cs" id="Snippet3":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CFX/callbackbehaviorattribute/vb/client.vb" id="Snippet3":::
]]></format>
</remarks>
</Docs>
</Member>
<Member MemberName="MaxItemsInObjectGraph">
<MemberSignature Language="C#" Value="public int MaxItemsInObjectGraph { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance int32 MaxItemsInObjectGraph" />
<MemberSignature Language="DocId" Value="P:System.ServiceModel.CallbackBehaviorAttribute.MaxItemsInObjectGraph" />
<MemberSignature Language="VB.NET" Value="Public Property MaxItemsInObjectGraph As Integer" />
<MemberSignature Language="F#" Value="member this.MaxItemsInObjectGraph : int with get, set" Usage="System.ServiceModel.CallbackBehaviorAttribute.MaxItemsInObjectGraph" />
<MemberSignature Language="C++ CLI" Value="public:
 property int MaxItemsInObjectGraph { int get(); void set(int value); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.ServiceModel</AssemblyName>
<AssemblyVersion>3.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Duplex</AssemblyName>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Primitives</AssemblyName>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[get: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<get: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[set: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<set: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
</Attributes>
<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets or sets the maximum number of items allowed in a serialized object.</summary>
<value>The maximum number of items allowed in an object. The default is <see cref="F:System.Int32.MaxValue">Int32.MaxValue</see>.</value>
<remarks>
<format type="text/markdown">< element to set this value in a client application configuration file.
]]></format>
</remarks>
</Docs>
</Member>
<Member MemberName="System.ServiceModel.Description.IEndpointBehavior.AddBindingParameters">
<MemberSignature Language="C#" Value="void IEndpointBehavior.AddBindingParameters (System.ServiceModel.Description.ServiceEndpoint serviceEndpoint, System.ServiceModel.Channels.BindingParameterCollection parameters);" />
<MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance void System.ServiceModel.Description.IEndpointBehavior.AddBindingParameters(class System.ServiceModel.Description.ServiceEndpoint serviceEndpoint, class System.ServiceModel.Channels.BindingParameterCollection parameters) cil managed" />
<MemberSignature Language="DocId" Value="M:System.ServiceModel.CallbackBehaviorAttribute.System#ServiceModel#Description#IEndpointBehavior#AddBindingParameters(System.ServiceModel.Description.ServiceEndpoint,System.ServiceModel.Channels.BindingParameterCollection)" />
<MemberSignature Language="VB.NET" Value="Sub AddBindingParameters (serviceEndpoint As ServiceEndpoint, parameters As BindingParameterCollection) Implements IEndpointBehavior.AddBindingParameters" />
<MemberSignature Language="F#" Value="abstract member System.ServiceModel.Description.IEndpointBehavior.AddBindingParameters : System.ServiceModel.Description.ServiceEndpoint * System.ServiceModel.Channels.BindingParameterCollection -> unit
override this.System.ServiceModel.Description.IEndpointBehavior.AddBindingParameters : System.ServiceModel.Description.ServiceEndpoint * System.ServiceModel.Channels.BindingParameterCollection -> unit" Usage="callbackBehaviorAttribute.System.ServiceModel.Description.IEndpointBehavior.AddBindingParameters (serviceEndpoint, parameters)" />
<MemberSignature Language="C++ CLI" Value=" virtual void System.ServiceModel.Description.IEndpointBehavior.AddBindingParameters(System::ServiceModel::Description::ServiceEndpoint ^ serviceEndpoint, System::ServiceModel::Channels::BindingParameterCollection ^ parameters) = System::ServiceModel::Description::IEndpointBehavior::AddBindingParameters;" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.ServiceModel.Description.IEndpointBehavior.AddBindingParameters(System.ServiceModel.Description.ServiceEndpoint,System.ServiceModel.Channels.BindingParameterCollection)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>System.ServiceModel</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>3.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Duplex</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
<AssemblyVersion>4.0.2.0</AssemblyVersion>
<AssemblyVersion>4.6.0.0</AssemblyVersion>
<AssemblyVersion>4.7.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Primitives</AssemblyName>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>6.2.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Private.ServiceModel</AssemblyName>
<AssemblyVersion>4.10.3.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="serviceEndpoint" Type="System.ServiceModel.Description.ServiceEndpoint" />
<Parameter Name="parameters" Type="System.ServiceModel.Channels.BindingParameterCollection" />
</Parameters>
<Docs>
<param name="serviceEndpoint">The endpoint for the callback object.</param>
<param name="parameters">The collection of binding parameters that are configured.</param>
<summary>Configures the binding elements to support the callback behavior.</summary>
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName="System.ServiceModel.Description.IEndpointBehavior.ApplyClientBehavior">
<MemberSignature Language="C#" Value="void IEndpointBehavior.ApplyClientBehavior (System.ServiceModel.Description.ServiceEndpoint serviceEndpoint, System.ServiceModel.Dispatcher.ClientRuntime clientRuntime);" />
<MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance void System.ServiceModel.Description.IEndpointBehavior.ApplyClientBehavior(class System.ServiceModel.Description.ServiceEndpoint serviceEndpoint, class System.ServiceModel.Dispatcher.ClientRuntime clientRuntime) cil managed" />
<MemberSignature Language="DocId" Value="M:System.ServiceModel.CallbackBehaviorAttribute.System#ServiceModel#Description#IEndpointBehavior#ApplyClientBehavior(System.ServiceModel.Description.ServiceEndpoint,System.ServiceModel.Dispatcher.ClientRuntime)" />
<MemberSignature Language="VB.NET" Value="Sub ApplyClientBehavior (serviceEndpoint As ServiceEndpoint, clientRuntime As ClientRuntime) Implements IEndpointBehavior.ApplyClientBehavior" />
<MemberSignature Language="F#" Value="abstract member System.ServiceModel.Description.IEndpointBehavior.ApplyClientBehavior : System.ServiceModel.Description.ServiceEndpoint * System.ServiceModel.Dispatcher.ClientRuntime -> unit
override this.System.ServiceModel.Description.IEndpointBehavior.ApplyClientBehavior : System.ServiceModel.Description.ServiceEndpoint * System.ServiceModel.Dispatcher.ClientRuntime -> unit" Usage="callbackBehaviorAttribute.System.ServiceModel.Description.IEndpointBehavior.ApplyClientBehavior (serviceEndpoint, clientRuntime)" />
<MemberSignature Language="C++ CLI" Value=" virtual void System.ServiceModel.Description.IEndpointBehavior.ApplyClientBehavior(System::ServiceModel::Description::ServiceEndpoint ^ serviceEndpoint, System::ServiceModel::Dispatcher::ClientRuntime ^ clientRuntime) = System::ServiceModel::Description::IEndpointBehavior::ApplyClientBehavior;" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.ServiceModel.Description.IEndpointBehavior.ApplyClientBehavior(System.ServiceModel.Description.ServiceEndpoint,System.ServiceModel.Dispatcher.ClientRuntime)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>System.ServiceModel</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>3.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Duplex</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
<AssemblyVersion>4.0.2.0</AssemblyVersion>
<AssemblyVersion>4.6.0.0</AssemblyVersion>
<AssemblyVersion>4.7.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Primitives</AssemblyName>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>6.2.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Private.ServiceModel</AssemblyName>
<AssemblyVersion>4.10.3.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="serviceEndpoint" Type="System.ServiceModel.Description.ServiceEndpoint" />
<Parameter Name="clientRuntime" Type="System.ServiceModel.Dispatcher.ClientRuntime" />
</Parameters>
<Docs>
<param name="serviceEndpoint">The endpoint configured by the attribute.</param>
<param name="clientRuntime">The client run-time object that the attribute configures.</param>
<summary>Configures the client runtime to support the callback object.</summary>
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName="System.ServiceModel.Description.IEndpointBehavior.ApplyDispatchBehavior">
<MemberSignature Language="C#" Value="void IEndpointBehavior.ApplyDispatchBehavior (System.ServiceModel.Description.ServiceEndpoint serviceEndpoint, System.ServiceModel.Dispatcher.EndpointDispatcher endpointDispatcher);" />
<MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance void System.ServiceModel.Description.IEndpointBehavior.ApplyDispatchBehavior(class System.ServiceModel.Description.ServiceEndpoint serviceEndpoint, class System.ServiceModel.Dispatcher.EndpointDispatcher endpointDispatcher) cil managed" />
<MemberSignature Language="DocId" Value="M:System.ServiceModel.CallbackBehaviorAttribute.System#ServiceModel#Description#IEndpointBehavior#ApplyDispatchBehavior(System.ServiceModel.Description.ServiceEndpoint,System.ServiceModel.Dispatcher.EndpointDispatcher)" />
<MemberSignature Language="VB.NET" Value="Sub ApplyDispatchBehavior (serviceEndpoint As ServiceEndpoint, endpointDispatcher As EndpointDispatcher) Implements IEndpointBehavior.ApplyDispatchBehavior" />
<MemberSignature Language="F#" Value="abstract member System.ServiceModel.Description.IEndpointBehavior.ApplyDispatchBehavior : System.ServiceModel.Description.ServiceEndpoint * System.ServiceModel.Dispatcher.EndpointDispatcher -> unit
override this.System.ServiceModel.Description.IEndpointBehavior.ApplyDispatchBehavior : System.ServiceModel.Description.ServiceEndpoint * System.ServiceModel.Dispatcher.EndpointDispatcher -> unit" Usage="callbackBehaviorAttribute.System.ServiceModel.Description.IEndpointBehavior.ApplyDispatchBehavior (serviceEndpoint, endpointDispatcher)" />
<MemberSignature Language="C++ CLI" Value=" virtual void System.ServiceModel.Description.IEndpointBehavior.ApplyDispatchBehavior(System::ServiceModel::Description::ServiceEndpoint ^ serviceEndpoint, System::ServiceModel::Dispatcher::EndpointDispatcher ^ endpointDispatcher) = System::ServiceModel::Description::IEndpointBehavior::ApplyDispatchBehavior;" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.ServiceModel.Description.IEndpointBehavior.ApplyDispatchBehavior(System.ServiceModel.Description.ServiceEndpoint,System.ServiceModel.Dispatcher.EndpointDispatcher)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>System.ServiceModel</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>3.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Duplex</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
<AssemblyVersion>4.0.2.0</AssemblyVersion>
<AssemblyVersion>4.6.0.0</AssemblyVersion>
<AssemblyVersion>4.7.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Primitives</AssemblyName>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>6.2.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Private.ServiceModel</AssemblyName>
<AssemblyVersion>4.10.3.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="serviceEndpoint" Type="System.ServiceModel.Description.ServiceEndpoint" />
<Parameter Name="endpointDispatcher" Type="System.ServiceModel.Dispatcher.EndpointDispatcher" />
</Parameters>
<Docs>
<param name="serviceEndpoint">The endpoint to be modified.</param>
<param name="endpointDispatcher">The endpoint dispatcher that the method modifies.</param>
<summary>Implementation of the <see cref="M:System.ServiceModel.Description.IEndpointBehavior.ApplyDispatchBehavior(System.ServiceModel.Description.ServiceEndpoint,System.ServiceModel.Dispatcher.EndpointDispatcher)" /> method. This implementation has no effect.</summary>
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName="System.ServiceModel.Description.IEndpointBehavior.Validate">
<MemberSignature Language="C#" Value="void IEndpointBehavior.Validate (System.ServiceModel.Description.ServiceEndpoint serviceEndpoint);" />
<MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance void System.ServiceModel.Description.IEndpointBehavior.Validate(class System.ServiceModel.Description.ServiceEndpoint serviceEndpoint) cil managed" />
<MemberSignature Language="DocId" Value="M:System.ServiceModel.CallbackBehaviorAttribute.System#ServiceModel#Description#IEndpointBehavior#Validate(System.ServiceModel.Description.ServiceEndpoint)" />
<MemberSignature Language="VB.NET" Value="Sub Validate (serviceEndpoint As ServiceEndpoint) Implements IEndpointBehavior.Validate" />
<MemberSignature Language="F#" Value="abstract member System.ServiceModel.Description.IEndpointBehavior.Validate : System.ServiceModel.Description.ServiceEndpoint -> unit
override this.System.ServiceModel.Description.IEndpointBehavior.Validate : System.ServiceModel.Description.ServiceEndpoint -> unit" Usage="callbackBehaviorAttribute.System.ServiceModel.Description.IEndpointBehavior.Validate serviceEndpoint" />
<MemberSignature Language="C++ CLI" Value=" virtual void System.ServiceModel.Description.IEndpointBehavior.Validate(System::ServiceModel::Description::ServiceEndpoint ^ serviceEndpoint) = System::ServiceModel::Description::IEndpointBehavior::Validate;" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.ServiceModel.Description.IEndpointBehavior.Validate(System.ServiceModel.Description.ServiceEndpoint)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>System.ServiceModel</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>3.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Duplex</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
<AssemblyVersion>4.0.2.0</AssemblyVersion>
<AssemblyVersion>4.6.0.0</AssemblyVersion>
<AssemblyVersion>4.7.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Primitives</AssemblyName>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>6.2.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Private.ServiceModel</AssemblyName>
<AssemblyVersion>4.10.3.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="serviceEndpoint" Type="System.ServiceModel.Description.ServiceEndpoint" />
</Parameters>
<Docs>
<param name="serviceEndpoint">The endpoint to be validated.</param>
<summary>Validates the endpoint description prior to building the runtime.</summary>
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName="TransactionIsolationLevel">
<MemberSignature Language="C#" Value="public System.Transactions.IsolationLevel TransactionIsolationLevel { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance valuetype System.Transactions.IsolationLevel TransactionIsolationLevel" />
<MemberSignature Language="DocId" Value="P:System.ServiceModel.CallbackBehaviorAttribute.TransactionIsolationLevel" />
<MemberSignature Language="VB.NET" Value="Public Property TransactionIsolationLevel As IsolationLevel" />
<MemberSignature Language="F#" Value="member this.TransactionIsolationLevel : System.Transactions.IsolationLevel with get, set" Usage="System.ServiceModel.CallbackBehaviorAttribute.TransactionIsolationLevel" />
<MemberSignature Language="C++ CLI" Value="public:
 property System::Transactions::IsolationLevel TransactionIsolationLevel { System::Transactions::IsolationLevel get(); void set(System::Transactions::IsolationLevel value); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.ServiceModel</AssemblyName>
<AssemblyVersion>3.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Duplex</AssemblyName>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Primitives</AssemblyName>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[get: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<get: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
</Attributes>
<ReturnValue>
<ReturnType>System.Transactions.IsolationLevel</ReturnType>
</ReturnValue>
<Docs>
<summary>Specifies the transaction isolation level.</summary>
<value>A <see cref="T:System.Transactions.IsolationLevel" /> value that specifies the transaction isolation level. The default is <see cref="F:System.Transactions.IsolationLevel.Unspecified" />.</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The isolation level in which your transaction runs determines how data is treated when changes are made in other transactions and how long your transaction must hold locks to protect against these changes. For example, the default value, <xref:System.Transactions.IsolationLevel.Unspecified>, specifies that no updating or inserting can occur until the transaction is complete.
]]></format>
</remarks>
<exception cref="T:System.ArgumentOutOfRangeException">The value is not one of the <see cref="T:System.Transactions.IsolationLevel" /> values.</exception>
</Docs>
</Member>
<Member MemberName="TransactionTimeout">
<MemberSignature Language="C#" Value="public string TransactionTimeout { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance string TransactionTimeout" />
<MemberSignature Language="DocId" Value="P:System.ServiceModel.CallbackBehaviorAttribute.TransactionTimeout" />
<MemberSignature Language="VB.NET" Value="Public Property TransactionTimeout As String" />
<MemberSignature Language="F#" Value="member this.TransactionTimeout : string with get, set" Usage="System.ServiceModel.CallbackBehaviorAttribute.TransactionTimeout" />
<MemberSignature Language="C++ CLI" Value="public:
 property System::String ^ TransactionTimeout { System::String ^ get(); void set(System::String ^ value); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.ServiceModel</AssemblyName>
<AssemblyVersion>3.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Duplex</AssemblyName>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Primitives</AssemblyName>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[get: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<get: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
</Attributes>
<ReturnValue>
<ReturnType>System.String</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets or sets the period within which a transaction must complete.</summary>
<value>A <see cref="T:System.TimeSpan" /> object that represents the time within which transactions must complete or be automatically aborted. The default value is <see cref="F:System.TimeSpan.Zero" />.</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
This value is typically set in an application configuration file.
]]></format>
</remarks>
</Docs>
</Member>
<Member MemberName="UseSynchronizationContext">
<MemberSignature Language="C#" Value="public bool UseSynchronizationContext { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance bool UseSynchronizationContext" />
<MemberSignature Language="DocId" Value="P:System.ServiceModel.CallbackBehaviorAttribute.UseSynchronizationContext" />
<MemberSignature Language="VB.NET" Value="Public Property UseSynchronizationContext As Boolean" />
<MemberSignature Language="F#" Value="member this.UseSynchronizationContext : bool with get, set" Usage="System.ServiceModel.CallbackBehaviorAttribute.UseSynchronizationContext" />
<MemberSignature Language="C++ CLI" Value="public:
 property bool UseSynchronizationContext { bool get(); void set(bool value); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.ServiceModel</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>3.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Duplex</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.1.0</AssemblyVersion>
<AssemblyVersion>4.0.2.0</AssemblyVersion>
<AssemblyVersion>4.6.0.0</AssemblyVersion>
<AssemblyVersion>4.7.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Primitives</AssemblyName>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>6.2.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Private.ServiceModel</AssemblyName>
<AssemblyVersion>4.10.3.0</AssemblyVersion>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[get: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<get: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[set: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<set: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
</Attributes>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets or sets a value that specifies whether to use the current synchronization context to choose the thread of execution.</summary>
<value>
<see langword="true" /> if all calls to the service must run on the thread specified by the <see cref="T:System.Threading.SynchronizationContext" />; otherwise, <see langword="false" />. The default value is <see langword="true" />.</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
Use this property to provide the user interface thread affinity that some applications require. For example, a Windows Forms application may be registered as a singleton service object. In this case, all calls into the service must run on the Windows Forms thread. The default case, in which <xref:System.ServiceModel.ServiceBehaviorAttribute.UseSynchronizationContext%2A> is set to `true`, synchronizes all calls to the service to run on the user interface thread.
Note that the thread used is the current synchronization thread when <xref:System.ServiceModel.DuplexChannelFactory%601.CreateChannel%2A?displayProperty=nameWithType> or <xref:System.ServiceModel.DuplexClientBase%601.CreateChannel%2A?displayProperty=nameWithType> is called. In the case of an Windows Forms application, this means that these calls should occur after a call to the <xref:System.Windows.Forms.Application.Run%2A?displayProperty=nameWithType> method.
## Examples
The following code example shows a <xref:System.ServiceModel.CallbackBehaviorAttribute> on a callback object that uses the <xref:System.Threading.SynchronizationContext> object to determine which thread to marshal to, the <xref:System.ServiceModel.CallbackBehaviorAttribute.ValidateMustUnderstand%2A> property to enforce message validation, and the <xref:System.ServiceModel.CallbackBehaviorAttribute.IncludeExceptionDetailInFaults%2A> property to return exceptions as <xref:System.ServiceModel.FaultException> objects to the service for debugging purposes.
:::code language="csharp" source="~/snippets/csharp/VS_Snippets_CFX/callbackbehaviorattribute/cs/client.cs" id="Snippet3":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CFX/callbackbehaviorattribute/vb/client.vb" id="Snippet3":::
]]></format>
</remarks>
</Docs>
</Member>
<Member MemberName="ValidateMustUnderstand">
<MemberSignature Language="C#" Value="public bool ValidateMustUnderstand { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance bool ValidateMustUnderstand" />
<MemberSignature Language="DocId" Value="P:System.ServiceModel.CallbackBehaviorAttribute.ValidateMustUnderstand" />
<MemberSignature Language="VB.NET" Value="Public Property ValidateMustUnderstand As Boolean" />
<MemberSignature Language="F#" Value="member this.ValidateMustUnderstand : bool with get, set" Usage="System.ServiceModel.CallbackBehaviorAttribute.ValidateMustUnderstand" />
<MemberSignature Language="C++ CLI" Value="public:
 property bool ValidateMustUnderstand { bool get(); void set(bool value); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.ServiceModel</AssemblyName>
<AssemblyVersion>3.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Duplex</AssemblyName>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.ServiceModel.Primitives</AssemblyName>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[get: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<get: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[set: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<set: System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
</Attributes>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets or sets a value that specifies whether the system or the application enforces SOAP <see langword="MustUnderstand" /> header processing.</summary>
<value>
<see langword="true" /> if the system is to perform SOAP header <see langword="MustUnderstand" /> processing; otherwise <see langword="false" />, which indicates that the application performs this processing. The default value is <see langword="true" />.</value>
<remarks>
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## Remarks
Use the <xref:System.ServiceModel.CallbackBehaviorAttribute.ValidateMustUnderstand%2A> property to turn off the enforced validation of arriving message headers. In normal execution, message headers are compared against the <xref:System.ServiceModel.Channels.MessageHeaders.UnderstoodHeaders%2A> property to confirm that arriving headers are explicitly handled by the callback object runtime. Set this to `false` to disable this checking. When set to `false`, the application must check for headers marked with MustUnderstand="true" and return a fault if one or more of them were not understood. This is useful when the callback is supposed to accept any incoming SOAP messages (for example, when using typed or untyped messages) and perform custom header processing.
## Examples
The following code example shows a <xref:System.ServiceModel.CallbackBehaviorAttribute> on a callback object that uses the <xref:System.Threading.SynchronizationContext> object to determine which thread to marshal to, the <xref:System.ServiceModel.CallbackBehaviorAttribute.ValidateMustUnderstand%2A> property to enforce message validation, and the <xref:System.ServiceModel.CallbackBehaviorAttribute.IncludeExceptionDetailInFaults%2A> property to return exceptions as <xref:System.ServiceModel.FaultException> objects to the service for debugging purposes.
:::code language="csharp" source="~/snippets/csharp/VS_Snippets_CFX/callbackbehaviorattribute/cs/client.cs" id="Snippet3":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CFX/callbackbehaviorattribute/vb/client.vb" id="Snippet3":::
]]></format>
</remarks>
</Docs>
</Member>
</Members>
</Type>