Guys, can anybody reproduce this error on Win7, Win8?
Guys, can anybody reproduce this error on Win7, Win8?
Public link: https://docs.google.com/document/d/1RlT9LMkPfmeXFGfyZrAlnoLe6f8-2-33TNAL8aKgUX0/edit?usp=sharing
QC link: https://quality.embarcadero.com/browse/RSP-13959
UPD:
1. If you are using CustomizedPreview you MAY provide your own event handlers. And you may use standard ones
2. Standard drawing uses function TCustomForm.GetFormImage for work
3. That's exactly how demo works: https://sourceforge.net/p/radstudiodemos/code/HEAD/tree/branches/RADStudio_Seattle/Object%20Pascal/VCL/Taskbar/MDI/
4. I've noticed even some more weird behavior inside TTaskbar.DoWindowPreviewRequest. There is a call to TTaskbar.GenerateFormImage with default height and width (0, 0) and of course it won't draw itself in this case.
5. I tried to change "High-DPI support" and "Use Windows theme" options without success.
Public link: https://docs.google.com/document/d/1RlT9LMkPfmeXFGfyZrAlnoLe6f8-2-33TNAL8aKgUX0/edit?usp=sharing
QC link: https://quality.embarcadero.com/browse/RSP-13959
UPD:
1. If you are using CustomizedPreview you MAY provide your own event handlers. And you may use standard ones
2. Standard drawing uses function TCustomForm.GetFormImage for work
3. That's exactly how demo works: https://sourceforge.net/p/radstudiodemos/code/HEAD/tree/branches/RADStudio_Seattle/Object%20Pascal/VCL/Taskbar/MDI/
4. I've noticed even some more weird behavior inside TTaskbar.DoWindowPreviewRequest. There is a call to TTaskbar.GenerateFormImage with default height and width (0, 0) and of course it won't draw itself in this case.
5. I tried to change "High-DPI support" and "Use Windows theme" options without success.
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