I was trying to get UpdateLayeredWindow to work with PaulIA's GDI functions in his Auto3Lib library, but I didn't have the skillset required to see it through to the end. I sent PaulIA the source code I was trying to convert and he not only whipped up a solution in a matter of hours, he went ahead and baked in support for it in Auto3Lib! (Which has since been rolled into AutoIt) Also, this only works with XP and above, as it uses GDI+. You might be able to get it working if you are running an