Each function that uses or modifies these global variables must declare them
with "global".
proc main {} {
global glob_var
set glob_var 1
...
}
proc func {} {
global glob_var
set glob_var 2
...
}
Gilles
Otto Stolzenberger wrote:
> I guess I should explain my problem a bit more. I have some variables
> that I need to set to a default value when the application is first run.
> These values will change as the user modifies settings. I set these
> default values in the Main function and then made them global. Is this
> correct? My other procedures still complain about the variable.
>
> On Wed, 12 Jan 2000 13:03:33 Rick Macdonald wrote:
> > On Wed, 12 Jan 2000, Otto Stolzenberger wrote:
> >
> > > How can I set global variables in Visual TCL? Thanks.
> >
> > You just delcare them global in the procs that need to access them. You do
> > not have to declare them anywhere outside of these procs.
> >
> > proc DoIt {args} {
> > global goodstuff widget
> > puts "global stuff=$goodstuff(junk)"
> > Window show $widget(GetUserId)
> > ...etc...
> > }
> >
> > This is how you use the vTcl global "widget" array that contains widget
> > aliases (as shown in the tutorial).
> >
> > ...RickM...
> ---------------------------------------------------------------------------
> To unsubscribe from the Visual Tcl mailing list, please send a message
> to [EMAIL PROTECTED] with "unsubscribe vtcl [EMAIL PROTECTED]" in the
> message body (where [EMAIL PROTECTED] is your e-mail address).
---------------------------------------------------------------------------
To unsubscribe from the Visual Tcl mailing list, please send a message
to [EMAIL PROTECTED] with "unsubscribe vtcl [EMAIL PROTECTED]" in the
message body (where [EMAIL PROTECTED] is your e-mail address).
