Description Christoph Laeubrich 2021-03-29 06:50:06 EDT

Created attachment 285977 [details]
Snippet that demonstrates the behaviour

If I create a GC in windows for a device, paint on it and dispose it afterward the painted items appear "somewhere" on the screen. Some of the painting even persists the termination of the application. Under Linux everything works fine.

I have attached a snippet to demonstrate the problem:

- start the snippet and move the mouse --> application is covered with black parts even outside the main window
- move the window, the black parts appear on other parts of the desktop
- terminate the application --> some of the parts remain and require to force a repaint (e.g. minimize other application windows and restore afterwards)