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Task::WaitAny Method (array<Task>, Int32, CancellationToken)
Visual Studio 2010
Waits for any of the provided Task objects to complete execution.
Assembly: mscorlib (in mscorlib.dll)
public: static int WaitAny( array<Task^>^ tasks, int millisecondsTimeout, CancellationToken cancellationToken )
Parameters
- tasks
- Type: array<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 nullptr. |
| ArgumentOutOfRangeException | millisecondsTimeout is a negative number other than -1, which represents an infinite time-out. |
| ArgumentException | The tasks argument contains a nullptr element. |
| OperationCanceledException | The cancellationToken was canceled. |
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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