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Task.WaitAny Method (array<Task[], TimeSpan)

Microsoft Silverlight will reach end of support after October 2021. Learn more.

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

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

Syntax

'Declaration
Public Shared Function WaitAny ( _
    tasks As Task(), _
    timeout As TimeSpan _
) As Integer

public static int WaitAny(
    Task[] tasks,
    TimeSpan timeout
)

Parameters

  • timeout
    Type: System.TimeSpan
    A TimeSpan that represents the number of milliseconds to wait, or a TimeSpan that represents -1 milliseconds to wait indefinitely.

Return Value

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

Exceptions

Exception Condition
ObjectDisposedException

The Task has been disposed.
ArgumentNullException

The tasks argument is null.
ArgumentOutOfRangeException

timeout is a negative number other than -1 milliseconds, which represents an infinite time-out -or- timeout is greater than MaxValue.
ArgumentException

The tasks argument contains a null element.

Version Information

Silverlight

Supported in: 5

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.