Microsoft® Windows® Workflow Foundation Step by Step

The Sequence Activity

So let’s dig into the sequential composite activity a little more. Although we’ve used this activity throughout the book so far, I intentionally delayed talking much about it until this point. Now that we have an understanding as to how the workflow runtime works with workflow instances, and know that workflow instances are really running versions of our workflow activities, we can better understand what’s happening.

Performing tasks sequentially means those tasks are executed in a specific order. First things first, last things last. A sequential activity is something like a to-do list. Record the first thing you need to do, then the next, and the next, until finally you record your last task. If these tasks are stored in ...