Implemented XamlFind and ForeachXamlChild helper methods; implemented OnRealize virtual method that sets IsRealized to true, and a Realize method; fix bug in QueueResize where OnSizeAllocate would not be invoked if the widget had no parent
Implemented XamlFind and ForeachXamlChild helper methods; implemented OnRealize virtual method that sets IsRealized to true, and a Realize method; fix bug in QueueResize where OnSizeAllocate would not be invoked if the widget had no parent

abock/moonshine,abock/moonshine,abock/moonshine,abock/moonshine