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CancellationTokenSource Constructor (Int32)

.NET Framework 4.5

Initializes a new instance of the CancellationTokenSource class that will be canceled after the specified delay in milliseconds.

Namespace:  System.Threading
Assemblies:   System.Threading.Tasks (in System.Threading.Tasks.dll)
  mscorlib (in mscorlib.dll)

	int millisecondsDelay


Type: System::Int32

The time span to wait before canceling this CancellationTokenSource.


The exception that is thrown when millisecondsDelay is less than -1.

The countdown for the millisecondsDelay starts during the call to the constructor. When the millisecondsDelay expires, the constructed CancellationTokenSource is canceled (if it has not been canceled already).

Subsequent calls to CancelAfter will reset the millisecondsDelay for the constructed CancellationTokenSource, if it has not been canceled already.

.NET Framework

Supported in: 4.6, 4.5

.NET for Windows Store apps

Supported in: Windows 8

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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