Microsoft® Windows® Workflow Foundation Step by Step

Chapter 10 Quick Reference

To	Do This
Handle an external event, such as from the host application	Drop an instance of the HandleExternalEvent activity into your workflow. If you prefer, you can use wca.exe to build classes derived from HandleExternalEvent that have basic settings and properties assigned for you (via code that wca.exe injects as it creates the new classes).
Introduce a delay in your workflow	Drag and drop an instance of the Delay activity into your workflow, and set its TimeoutDuration value to the length of time you want to delay.
Use an event to drive workflow execution	The EventDriven activity is made just for this situation. When (or if) the event triggers the event handling activity you place in the EventDriven activity, activities ...