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On 9/24/22 16:04, roger tunnicliffe wrote:
Copy and pasted your working version code and it compiled (after
adding FL/Fl.H) okay but when I stepped thru the program
"cards->show()" did nothing (nothing displayed) ???
That's because no tabs were defined in your Fl_Tabs widget,
making it effectively 'invisible'.
To define tabs in the tab widget, you have to add child
Fl_Groups,
one per tab.
Each child group of Fl_Tabs will be a separate tab; the
group's label name
will be that tab's title, and the contents of the group will be
the contents of the tab.
See the small program I replied with which defines 3 tabs so
that
the tab widget can be seen..
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