Re: How can I detect overlappi

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1 total messages Started by Adept, John DiBiasi,PAS Tue, 26 Jan 1993 12:16

#383

Author: Adept, John DiBiasi,PAS
Date: Tue, 26 Jan 1993 12:16

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>[1] MacApp makes it possible to change from the program
>    the relative position of a view from its superView using?
 
>[2] Can I detect from my program if two views are just about to start
>    overlapping (they share an edge or a corner)?
 
(1) Use the Locate() Method.
 
(2) Depending upon the characteristics of what you're displaying, check out the
Quickdraw SectRect and SectRgn calls which identify if there is an intersection
between two rectangles or regions.

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