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CancellationTokenSource.CancelAfter Method (TimeSpan)

.NET Framework 4.5

Schedules a cancel operation on this CancellationTokenSource after the specified time span.

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

Public Sub CancelAfter ( _
	delay As TimeSpan _


Type: System.TimeSpan

The time span to wait before canceling this CancellationTokenSource.


The exception thrown when this CancellationTokenSource has been disposed.


The exception that is thrown when delay is less than -1 or greater than Int32.MaxValue.

.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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