TaskCompletionSource.TrySetFromTask(Task) Method

Reference

Definition

Namespace:: System.Threading.Tasks

Assembly:: System.Runtime.dll

Source:: TaskCompletionSource.cs

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 ^ completedTask);

public bool TrySetFromTask(System.Threading.Tasks.Task completedTask);

member this.TrySetFromTask : System.Threading.Tasks.Task -> bool

Public Function TrySetFromTask (completedTask As Task) As Boolean

Parameters

completedTask: Task

The completed task whose completion status (including exception or cancellation information) should be copied to the underlying task.

Returns

Boolean

true if the operation was successful; otherwise, false.

Exceptions

ArgumentNullException

completedTask is null.

ArgumentException

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.

Applies to

Product	Versions
.NET	9, 10

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