on mouseUp
   lock screen
   repeat with i = 4 down to 1
      delete grc i
   end repeat
end mouseUp

Michael


Den 04/11/2011 kl. 16.55 skrev use-livecode-requ...@lists.runrev.com:
> 
> 
> this is a cool demonstration of points in Livecode.
> 
> One question - how does one *clear* the window of the bezier drawing?

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