Task.ContinueWith Method (Action<Task>)
Creates a continuation that executes asynchronously when the target Task completes.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- continuationAction
-
Type:
System.Action<Task>
An action to run when the Task completes. When run, the delegate will be passed the completed task as an argument.
| Exception | Condition |
|---|---|
| ArgumentNullException | The continuationAction argument is null. |
The returned Task will not be scheduled for execution until the current task has completed, whether it completes due to running to completion successfully, faulting due to an unhandled exception, or exiting out early due to being canceled.
The following example defines a task that populates an array with 100 random date and time values. It uses the ContinueWith(Action<Task>) method to select the earliest and the latest date values once the array is fully populated.
For an additional example, see Chaining Tasks by Using Continuation Tasks.
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
Because a console application may terminate before the continuation task executes, the Wait() method is called to ensure that the continuation finishes executing before the example ends.