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Task.Wait Method (TimeSpan)

Waits for the Task to complete execution.

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

Public Function Wait ( _
	timeout As TimeSpan _
) As Boolean


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.Boolean
true if the Task completed execution within the allotted time; otherwise, false.


The Task has been disposed.


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


The Task was canceled -or- an exception was thrown during the execution of the Task.

.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.