Re: XForms: Free object draw and redraw problem

T.C. Zhao (tc_zhao@yahoo.com)
Mon, 4 May 1998 07:04:19 -0700 (PDT)

# To subscribers of the xforms list from "T.C. Zhao" <tc_zhao@yahoo.com> :

For free object, the only important thing is to
draw only when FL_DRAW event is received. If you
do not do this, all weird things can happen.

---Lam Chin Hun Ricky <chlam@mae.cuhk.edu.hk> wrote:
>
> # To subscribers of the xforms list from Lam Chin Hun Ricky
<chlam@mae.cuhk.edu.hk> :
>
> Hi,
>

> I use free object option provided by fdesign to create some lines.
> These lines will change length according to the values that other
routine
> defined and the values will change with time. I draw the lines at
the handle
> routine using fl_line() and call fl_redraw_object() whenever a new
set of data
> are available. However, the objects (lines) I've defined have no
change, they
> remain their original shape whatever I change their value
(x,y,x,y,col). I'm
>
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