LOGO-L> Re: Stopping a task from outside

[George Mills <mills@softronix.com>]

The user can just hit the halt button on the commander.
Or you can add your own button on your user interface that issues
a command HALT.

Steve Criddle wrote:
> 
> I'm new to Logo (but a fairly seasoned programmer).  I'm writing a
> program in MSWLogo with a simple windows front-end.  The user sets
> some parameters and hits the "draw" button.
> 
> What I'd like to know is this:  Is there a way to stop the draw
> routine from outside?  The situation I've found (from testing) is that
> sometimes the user would decide to change the parameters and redraw
> before the previous one has finished.  This fires off a second copy of
> the draw routine.  When that finishes the first one carries on (which
> messes up what's been drawn).
> 
> Steve Criddle
> --
> Steve Criddle - Hawkinge, Kent, England
> http://www.criddle.demon.co.uk/

-- 
===============================================================
George Mills
email: mills@softronix.com
http://www.softronix.com
The www page contains some very powerful educational software.
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