Hi All,

With the attached example project got an
"TControl.InvalidatePreferredSize loop detected" error. Just start it and click on Panel3. Tried with Windows and Linux-Qt, fixes_1_6 and FPC 3.0.0. What i am doing wrong or is it a bug?

Gabor
-------------- next part --------------
A non-text attachment was scrubbed...
Name: ScrollBox_InvalidatePreferredSize_loop.tar.gz Type: application/gzip
Size: 1686 bytes
Desc: not available
URL: <http://lists.lazarus-ide.org/pipermail/lazarus/attachments/20160916/50ed91a7/attachment.gz>

Probably bug. Pleas open an issue and attach that example. I've reproduced it w/o problems under Fedora 23 x86_64, Qt-4.8.7 , trunk lazarus + fpc 3.0.0

zeljko

Same happens under gtk2 ws...so not qt only problem.

z.

Set VerticalScrollBar.Page to default value (80) and it won't trigger error.

z