OnTaskChanged class
Defines a workflow activity that is used to respond to the ITaskService.OnTaskChanged event Microsoft SharePoint Foundation raises when a task associated with the workflow is modified.
Inheritance hierarchy
System.Object
System.Workflow.ComponentModel.DependencyObject
System.Workflow.ComponentModel.Activity
System.Workflow.Activities.HandleExternalEventActivity
Microsoft.SharePoint.WorkflowActions.OnTaskChanged
Namespace: Microsoft.SharePoint.WorkflowActions
Assembly: Microsoft.SharePoint.WorkflowActions (in Microsoft.SharePoint.WorkflowActions.dll)
Syntax
'Declaration
<ActivityToolboxDisplayAttribute("VSTTSharePointWorkflowTask", True)> _
<ToolboxBitmapAttribute(GetType(OnTaskChanged), "Resources.OnTaskChanged.bmp")> _
Public NotInheritable Class OnTaskChanged _
Inherits HandleExternalEventActivity
'Usage
Dim instance As OnTaskChanged
[ActivityToolboxDisplayAttribute("VSTTSharePointWorkflowTask", true)]
[ToolboxBitmapAttribute(typeof(OnTaskChanged), "Resources.OnTaskChanged.bmp")]
public sealed class OnTaskChanged : HandleExternalEventActivity
Remarks
SharePoint Foundation 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.
Thread safety
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
See also
Reference
Microsoft.SharePoint.WorkflowActions namespace
Other resources
Workflow Activities for Windows SharePoint Services Overview
How Windows SharePoint Services Processes Workflow Activities