Thank you,
I remove TStarusBar and codes, I add TPanel and TBCLabel on that panel. view been much better status bar. This is good for me, but I didn't find error when myform.show; I'm still investigation. I need to trace formshow, I wish, compiler give any tips about class or filename or line number so easy find problem

On 29.06.2015 13:44, Tony Whyman wrote:
Take a look at

http://wiki.freepascal.org/Lazarus_known_issues_%28things_that_will_never_be_fixed%29#TStatusBar_Panels_2

It's probably one of those annoying TStatusBar (won't fix) issues.

On 29/06/15 10:43, FreeMan wrote:
fpc r31177 lazarus r49465 qt x64 osx
my project work in osx qt64, win32 i386 qt is workas well, but in win64 qt64 create "access violation" exception on "myform.Show;"
on form has a "TStatusBar"
I := TStatusBar.Canvas.TextWidth(TStatusBar.Panels[0].Text);
this code has create exception in win64 too.
when I wrote this message, http://forum.lazarus.freepascal.org/index.php/topic,27706.0.html same form and same my code worked, I mean my code not changed but not working now. I remark this line and re try run under win64, but still raise exception when use myForm.Show; I can not trace this exception, I added onShow event but not trigger. raise exception and terminate application. whats yours suggestion? TStatusBar bar has a bug ?? or what can be problem ?
Thank you


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