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CancelAfter Method (Int32)
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CancellationTokenSource.CancelAfter Method (Int32)

.NET Framework 4.6 and 4.5

Schedules a cancel operation on this CancellationTokenSource after the specified number of milliseconds.

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

public void CancelAfter(
	int millisecondsDelay


Type: System.Int32

The time span to wait before canceling this CancellationTokenSource.


The exception thrown when this CancellationTokenSource has been disposed.


The exception thrown when millisecondsDelay is less than -1.

The countdown for the millisecondsDelay starts during this call. When the millisecondsDelay expires, this CancellationTokenSource is canceled, if it has not been canceled already.

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

.NET Framework

Supported in: 4.6, 4.5

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8
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