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From: marchesi@cernvax.UUCP (marchesi)
Newsgroups: net.micro.mac
Subject: Re: problem with regions
Message-ID: <358@cernvax.UUCP>
Date: Fri, 8-Aug-86 11:09:30 EDT
Article-I.D.: cernvax.358
Posted: Fri Aug  8 11:09:30 1986
Date-Received: Mon, 11-Aug-86 04:39:24 EDT
References: <1434@oddjob.UUCP>
Reply-To: marchesi@cernvax.UUCP (PUT YOUR NAME HERE)
Distribution: net
Organization: CERN, Geneva/Switzerland
Lines: 35
Keywords: DragGrayRgn

In article <1434@oddjob.UUCP> rfl@oddjob.UUCP writes:
>Here is a problem I am having with regions:
>
>I create a region and set it equal to a rectangle with a call to RectRgn.
>I then check to see if the mouse is clicked within the region and
>if it is, I call DragGrayRgn with a  nil for the actionProc. After
>dragging the region across the window, I release the mouse button. If I
>try to drag the region again, however, I find that the region is
>defined as the frame, not the enclosed area of the rectangle.  
>
>  Obviously I want the region to remain unchanged.
>
>Hoping for an answer......

Inside Macintosh, Vol I, FUNCTION DragGrayRgn:

'NOTE: DragGrayRgn alters the region; if you don't want the original
changed, pass DragGrayRgn a handle to a copy.'

Just use NewRgn and CopyRgn first - and pass the copy.

OK?

 ciao
	   Paolo

----------------------------------------------------------------------------
Paolo Petta

p-mail: DD Division
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