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CancellationTokenSource.xml
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<Type Name="CancellationTokenSource" FullName="System.Threading.CancellationTokenSource">
<TypeSignature Language="C#" Value="public class CancellationTokenSource : IDisposable" FrameworkAlternate="dotnet-uwp-10.0;net-10.0;net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netcore-1.0;netcore-1.1;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;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" />
<TypeSignature Language="ILAsm" Value=".class public auto ansi beforefieldinit CancellationTokenSource extends System.Object implements class System.IDisposable" FrameworkAlternate="dotnet-uwp-10.0;net-10.0;net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netcore-1.0;netcore-1.1;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;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" />
<TypeSignature Language="DocId" Value="T:System.Threading.CancellationTokenSource" />
<TypeSignature Language="VB.NET" Value="Public Class CancellationTokenSource
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<TypeSignature Language="F#" Value="type CancellationTokenSource = class
 interface IDisposable" />
<TypeSignature Language="C++ CLI" Value="public ref class CancellationTokenSource : IDisposable" FrameworkAlternate="dotnet-uwp-10.0;net-10.0;net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netcore-1.0;netcore-1.1;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;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" />
<TypeSignature Language="C#" Value="public sealed class CancellationTokenSource : IDisposable" FrameworkAlternate="netframework-4.0" />
<TypeSignature Language="ILAsm" Value=".class public auto ansi sealed beforefieldinit CancellationTokenSource extends System.Object implements class System.IDisposable" FrameworkAlternate="netframework-4.0" />
<TypeSignature Language="VB.NET" Value="Public NotInheritable Class CancellationTokenSource
Implements IDisposable" FrameworkAlternate="netframework-4.0" />
<TypeSignature Language="C++ CLI" Value="public ref class CancellationTokenSource sealed : IDisposable" FrameworkAlternate="netframework-4.0" />
<AssemblyInfo>
<AssemblyName>System.Threading.Tasks</AssemblyName>
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<AssemblyVersion>9.0.0.0</AssemblyVersion>
<AssemblyVersion>10.0.0.0</AssemblyVersion>
</AssemblyInfo>
<TypeForwardingChain>
<TypeForwarding From="mscorlib" FromVersion="4.0.0.0" To="System.Threading.Tasks" ToVersion="0.0.0.0" FrameworkAlternate="dotnet-uwp-10.0" />
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</TypeForwardingChain>
<Base>
<BaseTypeName>System.Object</BaseTypeName>
</Base>
<Interfaces>
<Interface>
<InterfaceName>System.IDisposable</InterfaceName>
</Interface>
</Interfaces>
<Attributes>
<Attribute FrameworkAlternate="net-10.0;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="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">
<AttributeName Language="C#">[System.Runtime.InteropServices.ComVisible(false)]</AttributeName>
<AttributeName Language="F#">[<System.Runtime.InteropServices.ComVisible(false)>]</AttributeName>
</Attribute>
</Attributes>
<Docs>
<summary>Signals to a <see cref="T:System.Threading.CancellationToken" /> that it should be canceled.</summary>
<remarks>
<format type="text/markdown"><.
> [!IMPORTANT]
> This type implements the <xref:System.IDisposable> interface. When you have finished using an instance of the type, you should dispose of it either directly or indirectly. To dispose of the type directly, call its <xref:System.IDisposable.Dispose%2A> method in a `try`/`finally` block. To dispose of it indirectly, use a language construct such as `using` (in C#) or `Using` (in Visual Basic). For more information, see the "Using an Object that Implements IDisposable" section in the <xref:System.IDisposable> interface topic.
## Examples
The following example uses a random number generator to emulate a data collection application that reads 10 integral values from eleven different instruments. A value of zero indicates that the measurement has failed for one instrument, in which case the operation should be cancelled and no overall mean should be computed.
To handle the possible cancellation of the operation, the example instantiates a <xref:System.Threading.CancellationTokenSource> object that generates a cancellation token which is passed to a <xref:System.Threading.Tasks.TaskFactory> object. The <xref:System.Threading.Tasks.TaskFactory> object in turn passes the cancellation token to each of the tasks responsible for collecting readings for a particular instrument. The <xref:System.Threading.Tasks.TaskFactory.ContinueWhenAll%60%602%28System.Threading.Tasks.Task%7B%60%600%7D%5B%5D%2CSystem.Func%7BSystem.Threading.Tasks.Task%7B%60%600%7D%5B%5D%2C%60%601%7D%2CSystem.Threading.CancellationToken%29?displayProperty=nameWithType> method is called to ensure that the mean is computed only after all readings have been gathered successfully. If a task has not completed because it has been cancelled, the call to the <xref:System.Threading.Tasks.TaskFactory.ContinueWhenAll%2A?displayProperty=nameWithType> method throws an exception.
:::code language="csharp" source="~/snippets/csharp/System.Threading/CancellationToken/Overview/cancel1.cs" id="Snippet1":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.threading.cancellationtokensource.class/vb/cancel1.vb" id="Snippet1":::
]]></format>
</remarks>
<threadsafe>All public and protected members of <see cref="T:System.Threading.CancellationTokenSource" /> are thread-safe and may be used concurrently from multiple threads, with the exception of <see cref="M:System.Threading.CancellationTokenSource.Dispose" />, which must only be used when all other operations on the <see cref="T:System.Threading.CancellationTokenSource" /> object have completed.</threadsafe>
<related type="Article" href="/dotnet/standard/threading/cancellation-in-managed-threads">Cancellation</related>
<related type="Article" href="/dotnet/standard/parallel-programming/task-cancellation">Task Cancellation</related>
</Docs>
<Members>
<MemberGroup MemberName=".ctor">
<AssemblyInfo>
<AssemblyName>System.Threading.Tasks</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.10.0</AssemblyVersion>
<AssemblyVersion>4.1.0.0</AssemblyVersion>
</AssemblyInfo>
<Docs>
<summary>Initializes the <see cref="T:System.Threading.CancellationTokenSource" />.</summary>
</Docs>
</MemberGroup>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public CancellationTokenSource ();" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor() cil managed" />
<MemberSignature Language="DocId" Value="M:System.Threading.CancellationTokenSource.#ctor" />
<MemberSignature Language="VB.NET" Value="Public Sub New ()" />
<MemberSignature Language="C++ CLI" Value="public:
 CancellationTokenSource();" />
<MemberType>Constructor</MemberType>
<AssemblyInfo>
<AssemblyName>System.Threading.Tasks</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
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<AssemblyVersion>10.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-4.5;netframework-4.5.1;netframework-4.5.2">
<AttributeName Language="C#">[System.Runtime.TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<System.Runtime.TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")>]</AttributeName>
</Attribute>
</Attributes>
<Parameters />
<Docs>
<summary>Initializes a new instance of the <see cref="T:System.Threading.CancellationTokenSource" /> class.</summary>
<remarks>To be added.</remarks>
<related type="Article" href="/dotnet/standard/threading/cancellation-in-managed-threads">Cancellation</related>
<related type="Article" href="/dotnet/standard/parallel-programming/task-cancellation">Task Cancellation</related>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public CancellationTokenSource (int millisecondsDelay);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(int32 millisecondsDelay) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Threading.CancellationTokenSource.#ctor(System.Int32)" />
<MemberSignature Language="VB.NET" Value="Public Sub New (millisecondsDelay As Integer)" />
<MemberSignature Language="F#" Value="new System.Threading.CancellationTokenSource : int -> System.Threading.CancellationTokenSource" Usage="new System.Threading.CancellationTokenSource millisecondsDelay" />
<MemberSignature Language="C++ CLI" Value="public:
 CancellationTokenSource(int millisecondsDelay);" />
<MemberType>Constructor</MemberType>
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<AssemblyName>System.Threading.Tasks</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
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<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
<AssemblyVersion>10.0.0.0</AssemblyVersion>
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<Parameters>
<Parameter Name="millisecondsDelay" Type="System.Int32" Index="0" FrameworkAlternate="dotnet-uwp-10.0;net-10.0;net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netcore-1.0;netcore-1.1;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;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" />
</Parameters>
<Docs>
<param name="millisecondsDelay">The time interval in milliseconds to wait before canceling this <see cref="T:System.Threading.CancellationTokenSource" />.</param>
<summary>Initializes a new instance of the <see cref="T:System.Threading.CancellationTokenSource" /> class that will be canceled after the specified delay in milliseconds.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The countdown for the `millisecondsDelay` starts during the call to the constructor. When the `millisecondsDelay` expires, the constructed <xref:System.Threading.CancellationTokenSource> is canceled (if it has not been canceled already).
Subsequent calls to <xref:System.Threading.CancellationTokenSource.CancelAfter%2A> will reset the `millisecondsDelay` for the constructed <xref:System.Threading.CancellationTokenSource>, if it has not been canceled already.
]]></format>
</remarks>
<exception cref="T:System.ArgumentOutOfRangeException">
<paramref name="millisecondsDelay" /> is less than -1.</exception>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public CancellationTokenSource (TimeSpan delay);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(valuetype System.TimeSpan delay) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Threading.CancellationTokenSource.#ctor(System.TimeSpan)" />
<MemberSignature Language="VB.NET" Value="Public Sub New (delay As TimeSpan)" />
<MemberSignature Language="F#" Value="new System.Threading.CancellationTokenSource : TimeSpan -> System.Threading.CancellationTokenSource" Usage="new System.Threading.CancellationTokenSource delay" />
<MemberSignature Language="C++ CLI" Value="public:
 CancellationTokenSource(TimeSpan delay);" />
<MemberType>Constructor</MemberType>
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<AssemblyVersion>8.0.0.0</AssemblyVersion>
<AssemblyVersion>9.0.0.0</AssemblyVersion>
<AssemblyVersion>10.0.0.0</AssemblyVersion>
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<Parameters>
<Parameter Name="delay" Type="System.TimeSpan" Index="0" FrameworkAlternate="dotnet-uwp-10.0;net-10.0;net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netcore-1.0;netcore-1.1;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;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" />
</Parameters>
<Docs>
<param name="delay">The time interval to wait before canceling this <see cref="T:System.Threading.CancellationTokenSource" />.</param>
<summary>Initializes a new instance of the <see cref="T:System.Threading.CancellationTokenSource" /> class that will be canceled after the specified time span.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The countdown for the delay starts during the call to the constructor. When the delay expires, the constructed <xref:System.Threading.CancellationTokenSource> is canceled, if it has not been canceled already.
Subsequent calls to <xref:System.Threading.CancellationTokenSource.CancelAfter%2A> will reset the delay for the constructed <xref:System.Threading.CancellationTokenSource>, if it has not been canceled already.
]]></format>
</remarks>
<exception cref="T:System.ArgumentOutOfRangeException">
<paramref name="delay" />.<see cref="P:System.TimeSpan.TotalMilliseconds" /> is less than -1 or greater than <see cref="F:System.Int32.MaxValue">Int32.MaxValue</see> (or <see cref="F:System.UInt32.MaxValue">UInt32.MaxValue</see> - 1 on some versions of .NET). Note that this upper bound is more restrictive than <see cref="F:System.TimeSpan.MaxValue">TimeSpan.MaxValue</see>.
</exception>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public CancellationTokenSource (TimeSpan delay, TimeProvider timeProvider);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(valuetype System.TimeSpan delay, class System.TimeProvider timeProvider) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Threading.CancellationTokenSource.#ctor(System.TimeSpan,System.TimeProvider)" />
<MemberSignature Language="VB.NET" Value="Public Sub New (delay As TimeSpan, timeProvider As TimeProvider)" />
<MemberSignature Language="F#" Value="new System.Threading.CancellationTokenSource : TimeSpan * TimeProvider -> System.Threading.CancellationTokenSource" Usage="new System.Threading.CancellationTokenSource (delay, timeProvider)" />
<MemberSignature Language="C++ CLI" Value="public:
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<MemberType>Constructor</MemberType>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
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<AssemblyVersion>10.0.0.0</AssemblyVersion>
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<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
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<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
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<Parameters>
<Parameter Name="delay" Type="System.TimeSpan" Index="0" FrameworkAlternate="net-8.0;net-9.0;net-10.0" />
<Parameter Name="timeProvider" Type="System.TimeProvider" Index="1" FrameworkAlternate="net-8.0;net-9.0;net-10.0" />
</Parameters>
<Docs>
<param name="delay">The time interval to wait before canceling this <see cref="T:System.Threading.CancellationTokenSource" />.</param>
<param name="timeProvider">The <see cref="T:System.TimeProvider" /> with which to interpret the <paramref name="delay" />.</param>
<summary>Initializes a new instance of the <see cref="T:System.Threading.CancellationTokenSource" /> class that will be canceled after the specified <see cref="T:System.TimeSpan" />.</summary>
<remarks>The countdown for the delay starts during the call to the constructor. When the delay expires, the constructed <see cref="T:System.Threading.CancellationTokenSource" /> is canceled, if it has not been canceled already. Subsequent calls to CancelAfter will reset the delay for the constructed <see cref="T:System.Threading.CancellationTokenSource" />, if it has not been canceled already.</remarks>
<exception cref="T:System.ArgumentOutOfRangeException">
<paramref name="delay" />'s <see cref="P:System.TimeSpan.TotalMilliseconds" /> is less than -1 or greater than <see cref="F:System.UInt32.MaxValue" /> - 1.</exception>
<exception cref="T:System.ArgumentNullException">
<paramref name="timeProvider" /> is <see langword="null" />.</exception>
</Docs>
</Member>
<MemberGroup MemberName="Cancel">
<AssemblyInfo>
<AssemblyName>System.Threading.Tasks</AssemblyName>
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<AssemblyVersion>4.1.0.0</AssemblyVersion>
</AssemblyInfo>
<Docs>
<summary>Communicates a request for cancellation.</summary>
<related type="Article" href="/dotnet/standard/threading/cancellation-in-managed-threads">Cancellation</related>
<related type="Article" href="/dotnet/standard/parallel-programming/task-cancellation">Task Cancellation</related>
</Docs>
</MemberGroup>
<Member MemberName="Cancel">
<MemberSignature Language="C#" Value="public void Cancel ();" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance void Cancel() cil managed" />
<MemberSignature Language="DocId" Value="M:System.Threading.CancellationTokenSource.Cancel" />
<MemberSignature Language="VB.NET" Value="Public Sub Cancel ()" />
<MemberSignature Language="F#" Value="member this.Cancel : unit -> unit" Usage="cancellationTokenSource.Cancel " />
<MemberSignature Language="C++ CLI" Value="public:
 void Cancel();" />
<MemberType>Method</MemberType>
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<AssemblyName>System.Threading.Tasks</AssemblyName>
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<AssemblyVersion>4.1.1.0</AssemblyVersion>
<AssemblyVersion>4.1.2.0</AssemblyVersion>
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<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>2.0.5.0</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>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
<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>
<AssemblyVersion>10.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>Communicates a request for cancellation.</summary>
<remarks>
<format type="text/markdown"><).
## Examples
The following example uses a random number generator to emulate a data collection application that reads 10 integral values from eleven different instruments. A value of zero indicates that the measurement has failed for one instrument, in which case the operation should be cancelled and no overall mean should be computed.
To handle the possible cancellation of the operation, the example instantiates a <xref:System.Threading.CancellationTokenSource> object that generates a cancellation token which is passed to a <xref:System.Threading.Tasks.TaskFactory> object. The <xref:System.Threading.Tasks.TaskFactory> object in turn passes the cancellation token to each of the tasks responsible for collecting readings for a particular instrument. The <xref:System.Threading.Tasks.TaskFactory.ContinueWhenAll%60%602%28System.Threading.Tasks.Task%7B%60%600%7D%5B%5D%2CSystem.Func%7BSystem.Threading.Tasks.Task%7B%60%600%7D%5B%5D%2C%60%601%7D%2CSystem.Threading.CancellationToken%29?displayProperty=nameWithType> method is called to ensure that the mean is computed only after all readings have been gathered successfully. If a task has not because it has been cancelled, the call to the <xref:System.Threading.Tasks.TaskFactory.ContinueWhenAll%2A?displayProperty=nameWithType> method throws an exception.
:::code language="csharp" source="~/snippets/csharp/System.Threading/CancellationToken/Overview/cancel1.cs" id="Snippet1":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_CLR_System/system.threading.cancellationtokensource.class/vb/cancel1.vb" id="Snippet1":::
]]></format>
</remarks>
<exception cref="T:System.ObjectDisposedException">This <see cref="T:System.Threading.CancellationTokenSource" /> has been disposed.</exception>
<exception cref="T:System.AggregateException">An aggregate exception containing all the exceptions thrown by the registered callbacks on the associated <see cref="T:System.Threading.CancellationToken" />.</exception>
<related type="Article" href="/dotnet/standard/threading/cancellation-in-managed-threads">Cancellation</related>
<related type="Article" href="/dotnet/standard/parallel-programming/task-cancellation">Task Cancellation</related>
</Docs>
</Member>
<Member MemberName="Cancel">
<MemberSignature Language="C#" Value="public void Cancel (bool throwOnFirstException);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance void Cancel(bool throwOnFirstException) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Threading.CancellationTokenSource.Cancel(System.Boolean)" />
<MemberSignature Language="VB.NET" Value="Public Sub Cancel (throwOnFirstException As Boolean)" />
<MemberSignature Language="F#" Value="member this.Cancel : bool -> unit" Usage="cancellationTokenSource.Cancel throwOnFirstException" />
<MemberSignature Language="C++ CLI" Value="public:
 void Cancel(bool throwOnFirstException);" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Threading.Tasks</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>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>2.0.5.0</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>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
<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>
<AssemblyVersion>10.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="throwOnFirstException" Type="System.Boolean" />
</Parameters>
<Docs>
<param name="throwOnFirstException">
<see langword="true" /> if exceptions should immediately propagate; otherwise, <see langword="false" />.</param>
<summary>Communicates a request for cancellation, and specifies whether remaining callbacks and cancelable operations should be processed if an exception occurs.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The associated <xref:System.Threading.CancellationToken> will be notified of the cancellation and will transition to a state where <xref:System.Threading.CancellationToken.IsCancellationRequested%2A> returns `true`.
Any callbacks or cancelable operations registered with the <xref:System.Threading.CancellationToken> will be executed. Callbacks will be executed synchronously in LIFO order.
We recommend that cancelable operations and callbacks registered with <xref:System.Threading.CancellationToken> not throw exceptions.
If `throwOnFirstException` is `true`, an exception will immediately propagate out of the call to <xref:System.Threading.CancellationTokenSource.Cancel%2A>, preventing the remaining callbacks and cancelable operations from being processed.
If `throwOnFirstException` is `false`, this overload will aggregate any exceptions thrown into an <xref:System.AggregateException>, such that one callback throwing an exception will not prevent other registered callbacks from being executed.
]]></format>
</remarks>
<exception cref="T:System.ObjectDisposedException">This <see cref="T:System.Threading.CancellationTokenSource" /> has been disposed.</exception>
<exception cref="T:System.AggregateException">An aggregate exception containing all the exceptions thrown by the registered callbacks on the associated <see cref="T:System.Threading.CancellationToken" />.</exception>
<related type="Article" href="/dotnet/standard/threading/cancellation-in-managed-threads">Cancellation</related>
<related type="Article" href="/dotnet/standard/parallel-programming/task-cancellation">Task Cancellation</related>
</Docs>
</Member>
<MemberGroup MemberName="CancelAfter">
<AssemblyInfo>
<AssemblyName>System.Threading.Tasks</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.10.0</AssemblyVersion>
<AssemblyVersion>4.1.0.0</AssemblyVersion>
</AssemblyInfo>
<Docs>
<summary>Schedules a cancel operation on this <see cref="T:System.Threading.CancellationTokenSource" />.</summary>
</Docs>
</MemberGroup>
<Member MemberName="CancelAfter">
<MemberSignature Language="C#" Value="public void CancelAfter (int millisecondsDelay);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance void CancelAfter(int32 millisecondsDelay) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Threading.CancellationTokenSource.CancelAfter(System.Int32)" />
<MemberSignature Language="VB.NET" Value="Public Sub CancelAfter (millisecondsDelay As Integer)" />
<MemberSignature Language="F#" Value="member this.CancelAfter : int -> unit" Usage="cancellationTokenSource.CancelAfter millisecondsDelay" />
<MemberSignature Language="C++ CLI" Value="public:
 void CancelAfter(int millisecondsDelay);" />
<MemberType>Method</MemberType>
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<AssemblyName>System.Threading.Tasks</AssemblyName>
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<AssemblyVersion>4.1.0.0</AssemblyVersion>
<AssemblyVersion>4.1.1.0</AssemblyVersion>
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<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
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<AssemblyName>System.Runtime</AssemblyName>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
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<AssemblyVersion>10.0.0.0</AssemblyVersion>
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<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="millisecondsDelay" Type="System.Int32" Index="0" FrameworkAlternate="dotnet-uwp-10.0;net-10.0;net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netcore-1.0;netcore-1.1;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;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" />
</Parameters>
<Docs>
<param name="millisecondsDelay">The time span to wait before canceling this <see cref="T:System.Threading.CancellationTokenSource" />.</param>
<summary>Schedules a cancel operation on this <see cref="T:System.Threading.CancellationTokenSource" /> after the specified number of milliseconds.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The countdown for the `millisecondsDelay` starts during this call. When the `millisecondsDelay` expires, this <xref:System.Threading.CancellationTokenSource> is canceled, if it has not been canceled already.
Subsequent calls to CancelAfter will reset the `millisecondsDelay` for this <xref:System.Threading.CancellationTokenSource>, if it has not been canceled already.
]]></format>
</remarks>
<exception cref="T:System.ObjectDisposedException">The exception thrown when this <see cref="T:System.Threading.CancellationTokenSource" /> has been disposed.</exception>
<exception cref="T:System.ArgumentOutOfRangeException">The exception thrown when <paramref name="millisecondsDelay" /> is less than -1.</exception>
</Docs>
</Member>
<Member MemberName="CancelAfter">
<MemberSignature Language="C#" Value="public void CancelAfter (TimeSpan delay);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance void CancelAfter(valuetype System.TimeSpan delay) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Threading.CancellationTokenSource.CancelAfter(System.TimeSpan)" />
<MemberSignature Language="VB.NET" Value="Public Sub CancelAfter (delay As TimeSpan)" />
<MemberSignature Language="F#" Value="member this.CancelAfter : TimeSpan -> unit" Usage="cancellationTokenSource.CancelAfter delay" />
<MemberSignature Language="C++ CLI" Value="public:
 void CancelAfter(TimeSpan delay);" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Threading.Tasks</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>
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<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyVersion>2.0.5.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
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<AssemblyInfo>
<AssemblyName>netstandard</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
</AssemblyInfo>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
<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>
<AssemblyVersion>10.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="delay" Type="System.TimeSpan" Index="0" FrameworkAlternate="dotnet-uwp-10.0;net-10.0;net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netcore-1.0;netcore-1.1;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;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" />
</Parameters>
<Docs>
<param name="delay">The time span to wait before canceling this <see cref="T:System.Threading.CancellationTokenSource" />.</param>
<summary>Schedules a cancel operation on this <see cref="T:System.Threading.CancellationTokenSource" /> after the specified time span.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The countdown for the delay starts during this call. When the delay expires, this <xref:System.Threading.CancellationTokenSource> is canceled, if it has not been canceled already.
Subsequent calls to `CancelAfter` will reset the delay for this <xref:System.Threading.CancellationTokenSource>, if it has not been canceled already.
]]></format>
</remarks>
<exception cref="T:System.ObjectDisposedException">The exception thrown when this <see cref="T:System.Threading.CancellationTokenSource" /> has been disposed.</exception>
<exception cref="T:System.ArgumentOutOfRangeException">
<paramref name="delay" />.<see cref="P:System.TimeSpan.TotalMilliseconds" /> is less than -1 or greater than <see href="https://learn.microsoft.com/dotnet/api/system.int32.maxvalue">Int32.MaxValue</see> (or <see href="https://learn.microsoft.com/dotnet/api/system.uint32.maxvalue">UInt32.MaxValue</see> - 1 on some versions of .NET). Note that this upper bound is more restrictive than <see href="https://learn.microsoft.com/dotnet/api/system.timespan.maxvalue">TimeSpan.MaxValue</see>.
</exception>
</Docs>
</Member>
<Member MemberName="CancelAsync">
<MemberSignature Language="C#" Value="public System.Threading.Tasks.Task CancelAsync ();" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance class System.Threading.Tasks.Task CancelAsync() cil managed" />
<MemberSignature Language="DocId" Value="M:System.Threading.CancellationTokenSource.CancelAsync" />
<MemberSignature Language="VB.NET" Value="Public Function CancelAsync () As Task" />
<MemberSignature Language="F#" Value="member this.CancelAsync : unit -> System.Threading.Tasks.Task" Usage="cancellationTokenSource.CancelAsync " />
<MemberSignature Language="C++ CLI" Value="public:
 System::Threading::Tasks::Task ^ CancelAsync();" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Runtime</AssemblyName>
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<summary>Communicates a request for cancellation asynchronously.</summary>
<returns>A task that will complete after cancelable operations and callbacks registered with the associated <see cref="T:System.Threading.CancellationToken" /> have completed.</returns>
<remarks>
<para> The associated <see cref="T:System.Threading.CancellationToken" /> will be notified of the cancellation and will synchronously transition to a state where <see cref="P:System.Threading.CancellationToken.IsCancellationRequested" /> returns <see langword="true" />.
Any callbacks or cancelable operations registered with the <see cref="T:System.Threading.CancellationToken" /> will be executed asynchronously, with the returned <see cref="T:System.Threading.Tasks.Task" /> representing their eventual completion.
</para>
<para> Callbacks registered with the token should not throw exceptions.
However, any such exceptions that are thrown will be aggregated into an <see cref="T:System.AggregateException" />, such that one callback throwing an exception will not prevent other registered callbacks from being executed.
</para>
<para> The <see cref="T:System.Threading.ExecutionContext" /> that was captured when each callback was registered will be reestablished when the callback is invoked.
</para>
</remarks>
<exception cref="T:System.ObjectDisposedException">This <see cref="T:System.Threading.CancellationTokenSource" /> has been disposed.</exception>
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<param name="tokens">The <see cref="T:System.Threading.CancellationToken">CancellationToken</see> instances to observe.</param>
<summary>Creates a <see cref="T:System.Threading.CancellationTokenSource" /> that will be in the canceled state when any of the source tokens are in the canceled state.</summary>
<returns>A <see cref="T:System.Threading.CancellationTokenSource" /> that is linked to the source tokens.</returns>
<remarks>To be added.</remarks>
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<param name="token">The cancellation token to observe.</param>
<summary>Creates a <see cref="T:System.Threading.CancellationTokenSource" /> that will be in the canceled state when the supplied token is in the canceled state.</summary>
<returns>An object that's linked to the source token.</returns>
<remarks>To be added.</remarks>
</Docs>
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<Parameter Name="tokens" Type="System.Threading.CancellationToken[]">
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<param name="tokens">An array that contains the cancellation token instances to observe.</param>
<summary>Creates a <see cref="T:System.Threading.CancellationTokenSource" /> that will be in the canceled state when any of the source tokens in the specified array are in the canceled state.</summary>
<returns>A <see cref="T:System.Threading.CancellationTokenSource" /> that is linked to the source tokens.</returns>
<remarks>To be added.</remarks>
<exception cref="T:System.ObjectDisposedException">A <see cref="T:System.Threading.CancellationTokenSource" /> associated with one of the source tokens has been disposed.</exception>
<exception cref="T:System.ArgumentNullException">
<paramref name="tokens" /> is <see langword="null" />.</exception>
<exception cref="T:System.ArgumentException">
<paramref name="tokens" /> is empty.</exception>
<related type="Article" href="/dotnet/standard/threading/cancellation-in-managed-threads">Cancellation</related>
<related type="Article" href="/dotnet/standard/parallel-programming/task-cancellation">Task Cancellation</related>
<related type="Article" href="/dotnet/standard/threading/how-to-listen-for-multiple-cancellation-requests">How to: Listen for Multiple Cancellation Requests</related>
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<Parameter Name="token2" Type="System.Threading.CancellationToken" />
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<Docs>
<param name="token1">The first cancellation token to observe.</param>
<param name="token2">The second cancellation token to observe.</param>
<summary>Creates a <see cref="T:System.Threading.CancellationTokenSource" /> that will be in the canceled state when any of the source tokens are in the canceled state.</summary>
<returns>A <see cref="T:System.Threading.CancellationTokenSource" /> that is linked to the source tokens.</returns>
<remarks>To be added.</remarks>
<exception cref="T:System.ObjectDisposedException">A <see cref="T:System.Threading.CancellationTokenSource" /> associated with one of the source tokens has been disposed.</exception>
<related type="Article" href="/dotnet/standard/threading/cancellation-in-managed-threads">Cancellation</related>
<related type="Article" href="/dotnet/standard/parallel-programming/task-cancellation">Task Cancellation</related>
<related type="Article" href="/dotnet/standard/threading/how-to-listen-for-multiple-cancellation-requests">How to: Listen for Multiple Cancellation Requests</related>
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<summary>Releases all resources used by the current instance of the <see cref="T:System.Threading.CancellationTokenSource" /> class.</summary>
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<summary>Releases all resources used by the current instance of the <see cref="T:System.Threading.CancellationTokenSource" /> class.</summary>
<remarks>
<format type="text/markdown">< and [Implementing a Dispose Method](/dotnet/standard/garbage-collection/implementing-dispose).
> [!NOTE]
> Always call `Dispose` before you release your last reference to the <xref:System.Threading.CancellationTokenSource>. Otherwise, the resources it is using will not be freed until the garbage collector calls the <xref:System.Threading.CancellationTokenSource> object's `Finalize` method.
]]></format>
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<Parameter Name="disposing" Type="System.Boolean" Index="0" FrameworkAlternate="dotnet-uwp-10.0;net-10.0;net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;netcore-1.0;netcore-1.1;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;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" />
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<param name="disposing">
<see langword="true" /> to release both managed and unmanaged resources; <see langword="false" /> to release only unmanaged resources.</param>
<summary>Releases the unmanaged resources used by the <see cref="T:System.Threading.CancellationTokenSource" /> class and optionally releases the managed resources.</summary>
<remarks>To be added.</remarks>
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