In this document we have 4 scenarios which show the complete utility of the ChromelessWindow control. The first shows how to use the properties of a Chromeless Window to adjust the resize areas that users can grip onto to resize an application. Scenario 2 shows how to extend Vista's Aero Glass effect into your application window. The third scenario shows the dragging functionality offered by this control. Scenario #4 highlights the new attached properties that were first added in the JulyCTP.
Checkout the ChromelessWindow sample for complete code examples on how to use this control: http://www.blendables.com/files/folders/samples/entry94.aspx