Context::IsCurrentTaskCollectionCanceling Method
Returns an indication of whether the task collection which is currently executing inline on the current context is in the midst of an active cancellation (or will be shortly).
_CRTIMP static bool __cdecl IsCurrentTaskCollectionCanceling();
Return Value
If a scheduler is attached to the calling context and a task group is executing a task inline on that context, an indication of whether that task group is in the midst of an active cancellation (or will be shortly); otherwise, the value false.
Requirements
Header: concrt.h
Namespace: Concurrency