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XDeclaration.xml
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XDeclaration.xml
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<Type Name="XDeclaration" FullName="System.Xml.Linq.XDeclaration">
<TypeSignature Language="C#" Value="public class XDeclaration" />
<TypeSignature Language="ILAsm" Value=".class public auto ansi beforefieldinit XDeclaration extends System.Object" />
<TypeSignature Language="DocId" Value="T:System.Xml.Linq.XDeclaration" />
<TypeSignature Language="VB.NET" Value="Public Class XDeclaration" />
<TypeSignature Language="F#" Value="type XDeclaration = class" />
<TypeSignature Language="C++ CLI" Value="public ref class XDeclaration" />
<AssemblyInfo>
<AssemblyName>System.Xml.XDocument</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.10.0</AssemblyVersion>
<AssemblyVersion>4.1.0.0</AssemblyVersion>
<AssemblyVersion>4.1.1.0</AssemblyVersion>
<AssemblyVersion>4.1.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Xml.Linq</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>3.5.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<TypeForwardingChain>
<TypeForwarding From="System.Xml.Linq" FromVersion="4.0.0.0" To="System.Xml.XDocument" ToVersion="0.0.0.0" FrameworkAlternate="dotnet-uwp-10.0" />
<TypeForwarding From="netstandard" FromVersion="2.1.0.0" To="System.Xml.XDocument" ToVersion="5.0.0.0" FrameworkAlternate="net-5.0" />
<TypeForwarding From="netstandard" FromVersion="2.1.0.0" To="System.Xml.XDocument" ToVersion="6.0.0.0" FrameworkAlternate="net-6.0" />
<TypeForwarding From="netstandard" FromVersion="2.1.0.0" To="System.Xml.XDocument" ToVersion="7.0.0.0" FrameworkAlternate="net-7.0" />
<TypeForwarding From="netstandard" FromVersion="2.1.0.0" To="System.Xml.XDocument" ToVersion="8.0.0.0" FrameworkAlternate="net-8.0" />
<TypeForwarding From="netstandard" FromVersion="2.1.0.0" To="System.Xml.XDocument" ToVersion="9.0.0.0" FrameworkAlternate="net-9.0" />
</TypeForwardingChain>
<Base>
<BaseTypeName>System.Object</BaseTypeName>
</Base>
<Interfaces />
<Attributes>
<Attribute FrameworkAlternate="net-8.0;net-9.0">
<AttributeName Language="C#">[System.Runtime.CompilerServices.Nullable(0)]</AttributeName>
<AttributeName Language="F#">[<System.Runtime.CompilerServices.Nullable(0)>]</AttributeName>
</Attribute>
<Attribute FrameworkAlternate="net-8.0;net-9.0">
<AttributeName Language="C#">[System.Runtime.CompilerServices.NullableContext(2)]</AttributeName>
<AttributeName Language="F#">[<System.Runtime.CompilerServices.NullableContext(2)>]</AttributeName>
</Attribute>
</Attributes>
<Docs>
<summary>Represents an XML declaration.</summary>
<remarks>
<format type="text/markdown"><.
]]></format>
</remarks>
<altmember cref="P:System.Xml.Linq.XDocument.Declaration" />
<related type="Article" href="/dotnet/standard/linq/linq-xml-overview">LINQ to XML overview</related>
<related type="Article" href="/dotnet/standard/linq/read-write-encoded-document">How to read and write an encoded document</related>
</Docs>
<Members>
<MemberGroup MemberName=".ctor">
<AssemblyInfo>
<AssemblyName>System.Xml.XDocument</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.10.0</AssemblyVersion>
<AssemblyVersion>4.1.0.0</AssemblyVersion>
</AssemblyInfo>
<Docs>
<summary>Initializes a new instance of the <see cref="T:System.Xml.Linq.XDeclaration" /> class.</summary>
<altmember cref="M:System.Xml.Linq.XDeclaration.ToString" />
<related type="Article" href="/dotnet/standard/linq/linq-xml-overview">LINQ to XML overview</related>
<related type="Article" href="/dotnet/standard/linq/read-write-encoded-document">How to read and write an encoded document</related>
</Docs>
</MemberGroup>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public XDeclaration (System.Xml.Linq.XDeclaration other);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(class System.Xml.Linq.XDeclaration other) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Xml.Linq.XDeclaration.#ctor(System.Xml.Linq.XDeclaration)" />
<MemberSignature Language="VB.NET" Value="Public Sub New (other As XDeclaration)" />
<MemberSignature Language="F#" Value="new System.Xml.Linq.XDeclaration : System.Xml.Linq.XDeclaration -> System.Xml.Linq.XDeclaration" Usage="new System.Xml.Linq.XDeclaration other" />
<MemberSignature Language="C++ CLI" Value="public:
 XDeclaration(System::Xml::Linq::XDeclaration ^ other);" />
<MemberType>Constructor</MemberType>
<AssemblyInfo>
<AssemblyName>System.Xml.XDocument</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.10.0</AssemblyVersion>
<AssemblyVersion>4.1.0.0</AssemblyVersion>
<AssemblyVersion>4.1.1.0</AssemblyVersion>
<AssemblyVersion>4.1.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Xml.Linq</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>3.5.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="net-8.0;net-9.0">
<AttributeName Language="C#">[System.Runtime.CompilerServices.NullableContext(1)]</AttributeName>
<AttributeName Language="F#">[<System.Runtime.CompilerServices.NullableContext(1)>]</AttributeName>
</Attribute>
</Attributes>
<Parameters>
<Parameter Name="other" Type="System.Xml.Linq.XDeclaration" />
</Parameters>
<Docs>
<param name="other">The <see cref="T:System.Xml.Linq.XDeclaration" /> used to initialize this <see cref="T:System.Xml.Linq.XDeclaration" /> object.</param>
<summary>Initializes a new instance of the <see cref="T:System.Xml.Linq.XDeclaration" /> class from another <see cref="T:System.Xml.Linq.XDeclaration" /> object.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
This constructor is primarily used internally to make a deep copy of an XML tree.
]]></format>
</remarks>
<altmember cref="M:System.Xml.Linq.XDeclaration.ToString" />
<related type="Article" href="/dotnet/standard/linq/linq-xml-overview">LINQ to XML overview</related>
<related type="Article" href="/dotnet/standard/linq/read-write-encoded-document">How to read and write an encoded document</related>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public XDeclaration (string version, string encoding, string standalone);" FrameworkAlternate="dotnet-uwp-10.0;netcore-1.0;netcore-1.1;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1;netstandard-1.0;netstandard-1.1;netstandard-1.2;netstandard-1.3;netstandard-1.4;netstandard-1.6;netstandard-2.0;netstandard-2.1" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(string version, string encoding, string standalone) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Xml.Linq.XDeclaration.#ctor(System.String,System.String,System.String)" />
<MemberSignature Language="VB.NET" Value="Public Sub New (version As String, encoding As String, standalone As String)" />
<MemberSignature Language="F#" Value="new System.Xml.Linq.XDeclaration : string * string * string -> System.Xml.Linq.XDeclaration" Usage="new System.Xml.Linq.XDeclaration (version, encoding, standalone)" />
<MemberSignature Language="C++ CLI" Value="public:
 XDeclaration(System::String ^ version, System::String ^ encoding, System::String ^ standalone);" />
<MemberSignature Language="C#" Value="public XDeclaration (string? version, string? encoding, string? standalone);" FrameworkAlternate="net-5.0;net-6.0;net-7.0;net-8.0;net-9.0" />
<MemberType>Constructor</MemberType>
<AssemblyInfo>
<AssemblyName>System.Xml.XDocument</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.10.0</AssemblyVersion>
<AssemblyVersion>4.1.0.0</AssemblyVersion>
<AssemblyVersion>4.1.1.0</AssemblyVersion>
<AssemblyVersion>4.1.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Xml.Linq</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>3.5.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
</Attributes>
<Parameters>
<Parameter Name="version" Type="System.String" />
<Parameter Name="encoding" Type="System.String" />
<Parameter Name="standalone" Type="System.String" />
</Parameters>
<Docs>
<param name="version">The version of the XML, usually "1.0".</param>
<param name="encoding">The encoding for the XML document.</param>
<param name="standalone">A string containing "yes" or "no" that specifies whether the XML is standalone or requires external entities to be resolved.</param>
<summary>Initializes a new instance of the <see cref="T:System.Xml.Linq.XDeclaration" /> class with the specified version, encoding, and standalone status.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Examples
The following example creates a document that contains a declaration.
```csharp
XDocument doc = new XDocument(
new XDeclaration("1.0", "utf-8", "yes"),
new XComment("This is a comment"),
new XElement("Root", "content")
);
doc.Save("Root.xml");
Console.WriteLine(File.ReadAllText("Root.xml"));
```
```vb
Dim doc As XDocument = _
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<!--This is a comment-->
<Root>content</Root>
doc.Save("Root.xml")
Console.WriteLine(File.ReadAllText("Root.xml"))
```
This example produces the following output:
```xml
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<!--This is a comment-->
<Root>content</Root>
```
]]></format>
</remarks>
<altmember cref="M:System.Xml.Linq.XDeclaration.ToString" />
<related type="Article" href="/dotnet/standard/linq/linq-xml-overview">LINQ to XML overview</related>
<related type="Article" href="/dotnet/standard/linq/read-write-encoded-document">How to read and write an encoded document</related>
</Docs>
</Member>
<Member MemberName="Encoding">
<MemberSignature Language="C#" Value="public string Encoding { get; set; }" FrameworkAlternate="dotnet-uwp-10.0;netcore-1.0;netcore-1.1;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1;netstandard-1.0;netstandard-1.1;netstandard-1.2;netstandard-1.3;netstandard-1.4;netstandard-1.6;netstandard-2.0;netstandard-2.1" />
<MemberSignature Language="ILAsm" Value=".property instance string Encoding" />
<MemberSignature Language="DocId" Value="P:System.Xml.Linq.XDeclaration.Encoding" />
<MemberSignature Language="VB.NET" Value="Public Property Encoding As String" />
<MemberSignature Language="F#" Value="member this.Encoding : string with get, set" Usage="System.Xml.Linq.XDeclaration.Encoding" />
<MemberSignature Language="C++ CLI" Value="public:
 property System::String ^ Encoding { System::String ^ get(); void set(System::String ^ value); };" />
<MemberSignature Language="C#" Value="public string? Encoding { get; set; }" FrameworkAlternate="net-5.0;net-6.0;net-7.0;net-8.0;net-9.0" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.Xml.XDocument</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.10.0</AssemblyVersion>
<AssemblyVersion>4.1.0.0</AssemblyVersion>
<AssemblyVersion>4.1.1.0</AssemblyVersion>
<AssemblyVersion>4.1.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Xml.Linq</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>3.5.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</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.String</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets or sets the encoding for this document.</summary>
<value>A <see cref="T:System.String" /> containing the code page name for this document.</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
Any value returned by <xref:System.Text.Encoding.WebName%2A> is a valid value.
If you read an encoded document, then this property will be set to the code page name.
If you set this property to a valid code page name, then when serializing, LINQ to XML will serialize with the specified encoding.
## Examples
The following example creates two documents, one with utf-8 encoding, and one with utf-16 encoding. It then loads the documents and prints the encoding to the console.
```csharp
Console.WriteLine("Creating a document with utf-8 encoding");
XDocument encodedDoc8 = new XDocument(
new XDeclaration("1.0", "utf-8", "yes"),
new XElement("Root", "Content")
);
encodedDoc8.Save("EncodedUtf8.xml");
Console.WriteLine("Encoding is:{0}", encodedDoc8.Declaration.Encoding);
Console.WriteLine();
Console.WriteLine("Creating a document with utf-16 encoding");
XDocument encodedDoc16 = new XDocument(
new XDeclaration("1.0", "utf-16", "yes"),
new XElement("Root", "Content")
);
encodedDoc16.Save("EncodedUtf16.xml");
Console.WriteLine("Encoding is:{0}", encodedDoc16.Declaration.Encoding);
Console.WriteLine();
XDocument newDoc8 = XDocument.Load("EncodedUtf8.xml");
Console.WriteLine("Encoded document:");
Console.WriteLine(File.ReadAllText("EncodedUtf8.xml"));
Console.WriteLine();
Console.WriteLine("Encoding of loaded document is:{0}", newDoc8.Declaration.Encoding);
Console.WriteLine();
XDocument newDoc16 = XDocument.Load("EncodedUtf16.xml");
Console.WriteLine("Encoded document:");
Console.WriteLine(File.ReadAllText("EncodedUtf16.xml"));
Console.WriteLine();
Console.WriteLine("Encoding of loaded document is:{0}", newDoc16.Declaration.Encoding);
```
```vb
Console.WriteLine("Creating a document with utf-8 encoding")
Dim encodedDoc8 As XDocument = _
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<Root>Content</Root>
encodedDoc8.Save("EncodedUtf8.xml")
Console.WriteLine("Encoding is:{0}", encodedDoc8.Declaration.Encoding)
Console.WriteLine()
Console.WriteLine("Creating a document with utf-16 encoding")
Dim encodedDoc16 As XDocument = _
<?xml version="1.0" encoding="utf-16" standalone="yes"?>
<Root>Content</Root>
encodedDoc16.Save("EncodedUtf16.xml")
Console.WriteLine("Encoding is:{0}", encodedDoc16.Declaration.Encoding)
Console.WriteLine()
Dim newDoc8 As XDocument = XDocument.Load("EncodedUtf8.xml")
Console.WriteLine("Encoded document:")
Console.WriteLine(File.ReadAllText("EncodedUtf8.xml"))
Console.WriteLine()
Console.WriteLine("Encoding of loaded document is:{0}", newDoc8.Declaration.Encoding)
Console.WriteLine()
Dim newDoc16 As XDocument = XDocument.Load("EncodedUtf16.xml")
Console.WriteLine("Encoded document:")
Console.WriteLine(File.ReadAllText("EncodedUtf16.xml"))
Console.WriteLine()
Console.WriteLine("Encoding of loaded document is:{0}", newDoc16.Declaration.Encoding)
```
This example produces the following output:
```
Creating a document with utf-8 encoding
Encoding is:utf-8
Creating a document with utf-16 encoding
Encoding is:utf-16
Encoded document:
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<Root>Content</Root>
Encoding of loaded document is:utf-8
Encoded document:
<?xml version="1.0" encoding="utf-16" standalone="yes"?>
<Root>Content</Root>
Encoding of loaded document is:utf-16
```
]]></format>
</remarks>
<altmember cref="M:System.Xml.Linq.XDeclaration.ToString" />
<related type="Article" href="/dotnet/standard/linq/linq-xml-overview">LINQ to XML overview</related>
<related type="Article" href="/dotnet/standard/linq/read-write-encoded-document">How to read and write an encoded document</related>
</Docs>
</Member>
<Member MemberName="Standalone">
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<MemberSignature Language="ILAsm" Value=".property instance string Standalone" />
<MemberSignature Language="DocId" Value="P:System.Xml.Linq.XDeclaration.Standalone" />
<MemberSignature Language="VB.NET" Value="Public Property Standalone As String" />
<MemberSignature Language="F#" Value="member this.Standalone : string with get, set" Usage="System.Xml.Linq.XDeclaration.Standalone" />
<MemberSignature Language="C++ CLI" Value="public:
 property System::String ^ Standalone { System::String ^ get(); void set(System::String ^ value); };" />
<MemberSignature Language="C#" Value="public string? Standalone { get; set; }" FrameworkAlternate="net-5.0;net-6.0;net-7.0;net-8.0;net-9.0" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.Xml.XDocument</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.10.0</AssemblyVersion>
<AssemblyVersion>4.1.0.0</AssemblyVersion>
<AssemblyVersion>4.1.1.0</AssemblyVersion>
<AssemblyVersion>4.1.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Xml.Linq</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>3.5.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</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.String</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets or sets the standalone property for this document.</summary>
<value>A <see cref="T:System.String" /> containing the standalone property for this document.</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The valid values for standalone are "yes" or "no". These values are not enforced.
## Examples
The following example uses this property to print the standalone property of a declaration.
```csharp
XDeclaration xd = new XDeclaration("1.0", "utf-8", "yes");
Console.WriteLine(xd.Version);
Console.WriteLine(xd.Encoding);
Console.WriteLine(xd.Standalone);
```
```vb
Dim xd As XDeclaration = New XDeclaration("1.0", "utf-8", "yes")
Console.WriteLine(xd.Version)
Console.WriteLine(xd.Encoding)
Console.WriteLine(xd.Standalone)
```
This example produces the following output:
```
1.0
utf-8
yes
```
]]></format>
</remarks>
<altmember cref="P:System.Xml.Linq.XDeclaration.Version" />
<related type="Article" href="/dotnet/standard/linq/linq-xml-overview">LINQ to XML overview</related>
</Docs>
</Member>
<Member MemberName="ToString">
<MemberSignature Language="C#" Value="public override string ToString ();" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance string ToString() cil managed" />
<MemberSignature Language="DocId" Value="M:System.Xml.Linq.XDeclaration.ToString" />
<MemberSignature Language="VB.NET" Value="Public Overrides Function ToString () As String" />
<MemberSignature Language="F#" Value="override this.ToString : unit -> string" Usage="xDeclaration.ToString " />
<MemberSignature Language="C++ CLI" Value="public:
 override System::String ^ ToString();" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Xml.XDocument</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.10.0</AssemblyVersion>
<AssemblyVersion>4.1.0.0</AssemblyVersion>
<AssemblyVersion>4.1.1.0</AssemblyVersion>
<AssemblyVersion>4.1.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Xml.Linq</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>3.5.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="net-8.0;net-9.0">
<AttributeName Language="C#">[System.Runtime.CompilerServices.NullableContext(1)]</AttributeName>
<AttributeName Language="F#">[<System.Runtime.CompilerServices.NullableContext(1)>]</AttributeName>
</Attribute>
</Attributes>
<ReturnValue>
<ReturnType>System.String</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>Provides the declaration as a formatted string.</summary>
<returns>A <see cref="T:System.String" /> that contains the formatted XML string.</returns>
<remarks>To be added.</remarks>
<related type="Article" href="/dotnet/standard/linq/linq-xml-overview">LINQ to XML overview</related>
</Docs>
</Member>
<Member MemberName="Version">
<MemberSignature Language="C#" Value="public string Version { get; set; }" FrameworkAlternate="dotnet-uwp-10.0;netcore-1.0;netcore-1.1;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1;netstandard-1.0;netstandard-1.1;netstandard-1.2;netstandard-1.3;netstandard-1.4;netstandard-1.6;netstandard-2.0;netstandard-2.1" />
<MemberSignature Language="ILAsm" Value=".property instance string Version" />
<MemberSignature Language="DocId" Value="P:System.Xml.Linq.XDeclaration.Version" />
<MemberSignature Language="VB.NET" Value="Public Property Version As String" />
<MemberSignature Language="F#" Value="member this.Version : string with get, set" Usage="System.Xml.Linq.XDeclaration.Version" />
<MemberSignature Language="C++ CLI" Value="public:
 property System::String ^ Version { System::String ^ get(); void set(System::String ^ value); };" />
<MemberSignature Language="C#" Value="public string? Version { get; set; }" FrameworkAlternate="net-5.0;net-6.0;net-7.0;net-8.0;net-9.0" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.Xml.XDocument</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.10.0</AssemblyVersion>
<AssemblyVersion>4.1.0.0</AssemblyVersion>
<AssemblyVersion>4.1.1.0</AssemblyVersion>
<AssemblyVersion>4.1.2.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
<AssemblyVersion>6.0.0.0</AssemblyVersion>
<AssemblyVersion>7.0.0.0</AssemblyVersion>
<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Xml.Linq</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>3.5.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</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.String</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets or sets the version property for this document.</summary>
<value>A <see cref="T:System.String" /> containing the version property for this document.</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The value is usually "1.0". This value is not enforced.
## Examples
The following example uses this property to print the version property of a declaration.
```csharp
XDeclaration xd = new XDeclaration("1.0", "utf-8", "yes");
Console.WriteLine(xd.Version);
Console.WriteLine(xd.Encoding);
Console.WriteLine(xd.Standalone);
```
```vb
Dim xd As XDeclaration = New XDeclaration("1.0", "utf-8", "yes")
Console.WriteLine(xd.Version)
Console.WriteLine(xd.Encoding)
Console.WriteLine(xd.Standalone)
```
This example produces the following output:
```
1.0
utf-8
yes
```
]]></format>
</remarks>
<altmember cref="P:System.Xml.Linq.XDeclaration.Standalone" />
<related type="Article" href="/dotnet/standard/linq/linq-xml-overview">LINQ to XML overview</related>
</Docs>
</Member>
</Members>
</Type>