Task::WaitAny Method (array<Task^>^, Int32, CancellationToken)
Waits for any of the provided Task objects to complete execution within a specified number of milliseconds or until a cancellation token is cancelled.
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 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. |
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 5.0
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1