where you create an elliptic region. I do not know how you would convert a bitmap into an elliptic region.
Graeme
I know quite well how to make those things with Windows API. But I was just wondering if Ultimate++ has these kind of cross-platform capabilities like other toolkits have...
Then you already knew the answer ...
BTW - which other toolkits can do what you asked, which was ... "How to set window shape by means of a bitmap?"