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Article View: comp.os.msdos.programmer
Article #639

Re: How would YOU do this

#639
From: Edward J Kalenda
Date: Thu, 09 Apr 1992 20:20
19 lines
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From article <1992Apr9.152256.8551@kakwa.ucs.ualberta.ca>, by jimmy@namao.ucs.ualberta.ca ():
> Hi folks,
> 
> Two graphics related questions:
> 
> 1. DOS question:
>    I have an application in DOS where I select an icon from a palette
>    and place it on a screen. After the icon is placed on the canvas,
>    pixels under the graphics mouse cursor disappear. Why does this 
>    happen and what is the fix ? Using 386 and VGA.

You need to turn off the mouse cursor while drawing on the screen and then
turn it back on when you are done. The mouse driver remembers what was
under the cursor when it draws it in and then replaces those pixels when the
cursor is moved.

-- 
Ed
ekalenda@netcom.COM
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Newsgroups: comp.os.msdos.programmer,comp.os.msdos.misc
Path: arc1-ca.pugleaf.net!sparky!uunet!wupost!csus.edu!netcomsv!mork!ekalenda
From: ekalenda@netcom.com (Edward J Kalenda)
Subject: Re: How would YOU do this
Message-ID: <hasj!-g.ekalenda@netcom.com>
Date: Thu, 09 Apr 92 20:20:02 GMT
Organization: Netcom - Online Communication Services  (408 241-9760 guest) 
References: <1992Apr9.152256.8551@kakwa.ucs.ualberta.ca>
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