Make a grid stretch to the width/height of an AccordionItem
I have a couple of Accordions in a Silverlight App I'm writing (even an Accordion inside of an Accordion!) but the layout is driving me insane. For example, suppose you have a 500x500 Accordion. If you have 3 AccordionItems, the "Content" area is whatever the height/width of the Accordion is, MINUS the width/height of each header times ...