TControlScrollBar range error when opening form that has tscrollbox lazarus / 31-LCL ---------------------------------------------------------------------- snorkel · 2014-07-24 20:13 I opened a older project with 1.2.4 today and I can't open a form that has a tscrollbox on it the error is being raised in TControlScrollBar The range check error is also raised when I run the app and try to open the from in the running program. This is on windows 7 32bit and 64bit. edit:  Merged revisions for 1.2.6     45536 lcl: TControlScrollBar: fixed range check Looks like it's been fixed in the fixes branch for 1.2.6 I can't find a issue in Mantis about it though, does anyone have any info on this bug? ---------------------------------------------------------------------- snorkel · 2014-07-24 20:45 In case anyone else runs into this the fix is here: http://svn.freepascal.org/cgi-bin/viewvc.cgi/trunk/lcl/include/control scrollbar.inc?view=markup&root=lazarus&pathrev=45536