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From: nhj@cs.bham.ac.uk (Nick Jurascheck <JurascheckNH>)
Newsgroups: comp.windows.ms
Subject: Re: copying metafile to clipboard
Message-ID: <929@christopher-robin.cs.bham.ac.uk>
Date: 16 Jan 90 16:23:07 GMT
References: <22139@usc.edu>
Reply-To: nhj@christopher-robin.UUCP (Nick Jurascheck <JurascheckNH>)
Organization: University of Birmingham, England
Lines: 25

In article <22139@usc.edu> you write:
> I've been trying to copying metafiles to "disk files" with no problem,
> while I had no success with copying a metafile to the Clipboard.  The
> clipboard recognizes that it received a Picture, but nothing is shown.
> The following is the sample code I use, mainly taken verbatim from
> Charles Petzold book "Programming Windows". When SaveClip is false,
> the etafile is correctly saved on a disk file.  When SaveClip is
> true an "empty" picture shows up in the clipboard. Any ideas?


  Yes. The code you gave is correct except that you deleted the metafile 
handle after copying the metafile to the clipboard.

  Remove this line and you should be OK:
> 		DeleteMetaFile(hMF);

  Like the global memory handle you pass to the clipboard, the handle
to the metafile (hMF) is no longer valid in your program and will be 
freed by the clipboard (or to be more exact the Windows kernel, since 
the clipboard is just a global memory area).

Nick			
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