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Suppose you want to create a workflow that needs to wait on a CLR event or callback. In this episode I'll show you how to create an Activity and a Workflow Extension that implements IWorkflowInstanceExtension to create an activity that can safely deal with CLR events.
- Ron Jacobs Blog - WF4 Activities and Callbacks / Event Handlers
- MSDN Code Gallery - WF4 Activity Callbacks and Event Handlers Example
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