TaskCompletionSource(Of TResult).SetCanceled Method
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Transitions the underlying Task(Of TResult) into the Canceled state.
Assembly: mscorlib (in mscorlib.dll)
| Exception | Condition |
|---|---|
| InvalidOperationException | The underlying Task(Of TResult) is already in one of the three final states: RanToCompletion, Faulted, or Canceled, or if the underlying Task(Of TResult) has already been disposed. |
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