SL Custom Controls

http://msdn.microsoft.com/en-us/magazine/cc721611.aspx#id0430049

Step 1: Create a New Silverlight Project
Step 2: Derive from Control (or ContentControl)
Step 3: Create a Control Template
Step 4: Create a Default Control Template
Step 5: Add Template Bindings
Step 6: Replace TextBlock with ContentPresenter
Step 7: Add a Click Event
Step 8: Add Visual States
The Completed Control