TaskCompletionSource<TResult>.TrySetFromTask Method
Definition
Important
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Attempts to transition the underlying Task<TResult> into the same completion state as the specified completedTask
.
public:
bool TrySetFromTask(System::Threading::Tasks::Task<TResult> ^ completedTask);
public bool TrySetFromTask (System.Threading.Tasks.Task<TResult> completedTask);
member this.TrySetFromTask : System.Threading.Tasks.Task<'Result> -> bool
Public Function TrySetFromTask (completedTask As Task(Of TResult)) As Boolean
Parameters
- completedTask
- Task<TResult>
The completed task whose completion status (including result, exception, or cancellation information) should be copied to the underlying task.
Returns
true
if the operation was successful; otherwise, false
.
Exceptions
completedTask
is null
.
completedTask
is not completed.
Remarks
This operation will return false
if the Task<TResult> is already in one of the three final states: RanToCompletion, Faulted, or Canceled.