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Prevent cursor from leaving box.

Posted on 1998-10-18
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Last Modified: 2013-11-20
How do I prevent the cursor from leaving my dialog box?

Thanx.
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Question by:yep090598
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thresher_shark earned 800 total points
ID: 1323501
Use the function ClipCursor to prevent the cursor from leaving a specified rectangle.  Make sure you call the function again when your program exits, otherwise the cursor will remain boxed in! :-)

If you have any further questions regarding this issue, please feel free to ask.  Thanks!
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Expert Comment

by:psdavis
ID: 1323502
Just to help thresh out here...

Get your entire dialog's dimension by calling

CRect rcClient;
GetClientRect( &rcClient );

Then keep the cursor locked within your boundaries...

ClipRect( rcClient );

then to free it up

ClipRect( NULL );

Note that GetClientRect will only get the client region (it's what you want).  The Non-Client area such as the toolbar and the minimize/maximize buttons are not included in this area so the cursor will be locked within the bounds of the drawing area.

Phillip
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LVL 6

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by:thresher_shark
ID: 1323503
Thanks for elaborating Phillip.  I was going to, but then I had to go outside and do some junk around the house (right then of course).  And then I fogot about it :-(

ADK - If you have any other questions, please ask.  But I think Phillip covered them all :-)
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Author Comment

by:yep090598
ID: 1323504
Hey thanks thresher_shark and Phillip!  The solution works great.
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