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Please provide the zipped sources of a sample application showing this |
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Any news about this issue? I have the same problem when I run the component JvOutlookBar on Windows XP. (Using Delphi Seattle 10). When I use the application on Windows 7 or newer the problem doesn't occurs. I've provided a demo and some print screen. |
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2016-02-03 18:46
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1.png (8,700 bytes) |
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2016-02-03 18:47
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2.jpg (28,585 bytes) |
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2016-02-03 18:49
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Menu.zip (838,759 bytes) |
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To solve the issue: edit file JvOutlookBar.pas around line 0001000:0002259, you find the following block of code: if Rgn <> 0 then begin SelectClipRgn(Canvas.Handle, Rgn); DeleteObject(Rgn); end; change to: if Rgn <> 0 then begin SelectClipRgn(Canvas.Handle, 0); DeleteObject(Rgn); end; |
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I meant "around line 2259" |
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This may break DrawThemedBackground for other controls as it removes the clip region and doesn't restore the original clip region. The actual fix may be to check the return value of GetClipRgn and delete the Rgn region if it returns that there is no clip region. ... case GetClipRgn(Canvas.Handle, Rgn) of 0, -1: begin DeleteObject(Rgn); Rgn := 0; end; end; ... |
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Fixed in master branch. |
- Anonymous
