Microsoft® Windows® Workflow Foundation Step by Step

Invoking External Workflows with InvokeWorkflow

Here is a question for you: if you have an executing workflow, can that workflow execute a second workflow?

The answer is yes! There is an activity, InvokeWorkflow, that’s used to start a secondary workflow. Let’s briefly take a look at this activity by way of an example. We’ll create a new sample console application that starts a workflow that merely writes a message to the console. After writing this message, the workflow instance starts a second workflow instance that also writes a message, graphically showing us that both workflows executed.

Invoking a secondary workflow

1. Although we could build a fancy demonstration application, we’ll revert to using a simple console application as we’ve done in ...