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GeneralDrawing big bitmapped buttons Pin
jeffccodeproject11-Apr-04 16:32
jeffccodeproject11-Apr-04 16:32 
I've got a bit of a painting performance issue with a project I'm working on.

The project has a 800x600 main screen that is filled with a custom Panel control that paints two overlapping transparent images (PNG in this case). I then have a dozen big custom button controls that sit on top of this panel. The buttons are also bitmapped and are about 150x100 in size. They all load different bitmaps.

The problem I am having is that when the screen needs to repaint, the background repaints first, leaving "holes" where the buttons should be and then the buttons paint. This can take up to a second on my machine and the effect is less than ideal.

I have already implemented cacheing of all bitmaps involved and turned on double buffering. My main issue is the "holes" while the buttons repaint.

Any ideas?
GeneralDRAG / DROP from .NET application to Explorer Pin
Member 91696511-Apr-04 7:51
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QuestionHow can I begin effective learning VB.NET Pin
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