Microsoft® Windows® Workflow Foundation Step by Step

Chapter 13 Quick Reference

To	Do This
Create a custom WF activity	Create a new class library project, and derive the new activity class from Activity (or CompositeActivity if you’re building a composite activity).
Validate the activity properties	Provide a custom activity validator. Note validation can ignore activity state, return warnings, or elect to fail compilation by returning errors for specific conditions. Don’t forget you need to add the ActivityValidator attribute to your main activity class.
Add a Toolbox bitmap	Insert an appropriate bitmap into your activity project. Set its Build Action property to Embedded Resource. Finally, add the ToolboxBitmapAttribute to your activity to actually load it.
Tailor the appearance of your activity in the ...