> I have a program, in just a moment, there are three forms at the same time,
> two deactivated and just one active...
>
> How can I paint lines and rectangles in other form (window)?
> because with fl_line I paint in my activated form.
As the manual says, the drawing routines, such as fl_line(), all draw
to the "current Window." You can change the "current Window" by using
the fl_winset() function:
FD_some_form *fd_some_form;
[...]
fl_winset( FL_ObjWin( fd_some_form->some_object ) );
Refer to the manual chapter on "Drawing Objects" for more detail.
spl
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