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CompletionCallback<TResult> Delegate

The method that is called when an activity completes.

Namespace:  System.Activities
Assembly:  System.Activities (in System.Activities.dll)

public delegate void CompletionCallback<TResult>(
	NativeActivityContext context,
	ActivityInstance completedInstance,
	TResult result

Type Parameters


The type of the result value.


Type: System.Activities.NativeActivityContext

The execution environment of the activity.

Type: System.Activities.ActivityInstance

The activity that completed.

Type: TResult

The Result value of the activity that completed.

.NET Framework

Supported in: 4.5, 4

.NET Framework Client Profile

Supported in: 4

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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