merryxmas wrote:
> i have tried many plans but failed. there is Update, and restore functions
> but it seems it is not working. after the wingui code i present a TK code to
> the same problem and it is working well.

comparison with Tk is not fair, you are creating Labels with text "." 
there, which will work with Win32::GUI too. but it's a pretty ugly 
approach :-)

>             $DC->SetPixel($x,$y);

change this line to:

               $DC->Line(0, 0, $x,$y);

and you will have no overlapping redraw problems. still, however, a 
somewhat tricky approach :-)

cheers,
Aldo

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