FrameQueueSink.IsCancelRequested Property
Returns true if the Sink is currently transitioning into stopped state.
Syntax: 
[C#]
public bool        IsCancelRequested { get; };
Remarks:

This can be used in IFrameQueueSinkListener.FramesQueued to check if the current operation should be cancelled.

Information:

Introduced in version 3.5
See also: FrameQueueSink, IFrameQueueSinkListener.FramesQueued

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