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Task.WaitAll Method (array<Task[])

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

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

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

Syntax

'Declaration
Public Shared Sub WaitAll ( _
    ParamArray tasks As Task() _
)
public static void WaitAll(
    params Task[] tasks
)

Parameters

Exceptions

Exception Condition
ObjectDisposedException

One or more of the Task objects in tasks has been disposed.

ArgumentNullException

The tasks argument is null.

-or-

The tasks argument contains a null element.

AggregateException

At least one of the Task instances was canceled -or- an exception was thrown during the execution of at least one of the Task instances. If a task was canceled, the AggregateException contains an OperationCanceledException in its InnerExceptions collection.

Examples

The following example demonstrates using WaitAll to wait for a set of tasks to complete.

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.