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OnTaskChanged Class (Microsoft.SharePoint.WorkflowActions)
Responds to the event Windows SharePoint Services raises when a task associated with the workflow is modified.

Namespace: Microsoft.SharePoint.WorkflowActions
Assembly: Microsoft.SharePoint.WorkflowActions (in microsoft.sharepoint.workflowactions.dll)

Visual Basic (Declaration)
<ToolboxBitmapAttribute(GetType(OnTaskChanged), "Resources.OnTaskChanged.bmp")> _
<ToolboxItemAttribute(GetType(ActivityToolboxItem))> _
<ActivityToolboxDisplayAttribute("VSTTSharePointWorkflowTask", True)> _
Public NotInheritable Class OnTaskChanged
    Inherits HandleExternalEventActivity
Visual Basic (Usage)
Dim instance As OnTaskChanged
C#
[ToolboxBitmapAttribute(typeof(OnTaskChanged), "Resources.OnTaskChanged.bmp")] 
[ToolboxItemAttribute(typeof(ActivityToolboxItem))] 
[ActivityToolboxDisplayAttribute("VSTTSharePointWorkflowTask", true)] 
public sealed class OnTaskChanged : HandleExternalEventActivity

This activity responds to the ITaskService.OnTaskChanged event.

Windows SharePoint Services includes several activities that streamline the process of creating, updating, completing, and deleting tasks associated with a workflow. You can also use event-based activities to receive notification when tasks have been created, changed, or deleted.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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