Microsoft® Windows® Workflow Foundation Step by Step

Subscribing to Workflow Runtime Events

It might seem like there isn’t a lot to WorkflowRuntime, at least from a methods and properties perspective. You can start it, you can stop it, and you can ask it to initiate workflow instances. That’s about it.

It’s a bit more interesting than that, however, and you begin to see the complexity of the runtime environment when you look at the events WorkflowRuntime exposes. Table 2-3 doesn’t provide an exhaustive list, but it does indicate the events you’ll use most often.

Table 2-3. WorkflowRuntime Events

Event	Purpose
Started	Raised when the workflow runtime is started.
Stopped	Raised when the workflow runtime is stopped.
WorkflowCompleted	Raised when a workflow instance has completed.
WorkflowIdled	Raised when a workflow ...