Task.WaitAny Method (Task[], Int32, CancellationToken)

Waits for any of the provided Task objects to complete execution.

Namespace:  System.Threading.Tasks
Assembly:  mscorlib (in mscorlib.dll)

static member WaitAny : 
        tasks:Task[] * 
        millisecondsTimeout:int * 
        cancellationToken:CancellationToken -> int 

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.Int32
The index of the completed task in the tasks array argument, or -1 if the timeout occurred.

ExceptionCondition
ObjectDisposedException

The Task has been disposed.

ArgumentNullException

The tasks argument is a null reference (Nothing in Visual Basic).

ArgumentOutOfRangeException

millisecondsTimeout is a negative number other than -1, which represents an infinite time-out.

ArgumentException

The tasks argument contains a a null reference (Nothing in Visual Basic) element.

OperationCanceledException

The cancellationToken was canceled.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

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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