Task.WaitAny Method (Task(), Int32, CancellationToken)
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Waits for any of the provided Task objects to complete execution.
Assembly: mscorlib (in mscorlib.dll)
'Declaration Public Shared Function WaitAny ( _ tasks As Task(), _ millisecondsTimeout As Integer, _ cancellationToken As CancellationToken _ ) As Integer
Parameters
- tasks
- Type:
System.Threading.Tasks.Task
()
An array of Task instances on which to wait.
- millisecondsTimeout
- Type: System.Int32
The number of milliseconds to wait, or Infinite (-1) to wait indefinitely.
- cancellationToken
- Type: System.Threading.CancellationToken
A CancellationToken to observe while waiting for a task to complete.
Return Value
Type: System.Int32The index of the completed task in the tasks array argument, or -1 if the timeout occurred.
| Exception | Condition |
|---|---|
| ObjectDisposedException | The Task has been disposed. |
| ArgumentNullException | The tasks argument is null. |
| ArgumentOutOfRangeException | millisecondsTimeout is a negative number other than -1, which represents an infinite time-out. |
| ArgumentException | The tasks argument contains a null element. |
| OperationCanceledException | The cancellationToken was canceled. |
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