No. You can't.
However, you can reshape the window, make a specified color area disappear (non-rectangle window).
It's slow for large windows because it has to go through every pixel on the window.
Take a look G Toolbox on my web site. Especially, Bitmap Shape Window.vi, on
User's Guide page.
It might be easier to use picture control approach.
George Zou
http://gtoolbox.yeah.net
George Zou
