When a commmon window(such as a notepad.exe) move over the upp window slowly, the upp window refresh mess the show part, missing some.
In this image the head photo is a ImageCtrl, and the Background is a StaticRect.
OS is Win XP.
I found the only classical XP theme can make these happen.
When a commmon window(such as a notepad.exe) move over the upp window slowly, the upp window refresh mess the show part, missing some.
In this image the head photo is a ImageCtrl, and the Background is a StaticRect.
OS is Win XP.
I found the only classical XP theme can make these happen.
The screen shot is after the notepad window move from left to the right.
This will not happen every time, but not few.
The upp gui06 would be a testcase.
The screen shot is after the notepad window move from top to the bottom.
One note, M$ Windows has white rect only in the non-client area, but UPP has more.