get window handle
IntPtr windowHandle = new WindowInteropHelper(this).Handle;
bring to front
myWindow.Activate(); myWindow.TopMost = true;
common resource dictionaries for skinning (this blog)
References
wpf get window handle (stackoverflow) http://stackoverflow.com/questions/1556182/finding-the-handle-to-a-wpf-window
wpf bring to front (stackoverflow) http://stackoverflow.com/questions/257587/bring-a-window-to-the-front-in-wpf
