Some senseless babbling from Leonard Erickson to All
on 09-06-99  21:39 about JPG file lockup...

 LE> If I double-click on JPEG files, they display. But after veiwing a
 LE> number of files, the viewer (what program is that, anyway?) hangs with
 LE> "Opening..." and the clock-face cursor. 

 LE> From this point on, attempting to view *any* JPEG just results in
 LE> another window with the same hang. 

 LE> I have to shutdown and restart to get the ability to view graphics
 LE> back. And when I do, all the open windows display the graphics just
 LE> fine. 

 LE> Any ideas as to what's wrong?

First, the viewer program is actually a class method, which is present for 
all image classes (MMJPG, MMBMP, MMGIF, etc.).  They're WPS classes, and 
their method code is in DLL's (GIFPROC.DLL, PCXPROC.DLL, etc.).

The problem you have is probably bad JPEG files.  The viewer method isn't 
very robust, and will crash on bad data. 

I use PMJPEG for viewing images, personally.  Others prefer PMView (which 
is certainly a good program).  

To use other programs, you'll need to either use the context menu, or 
download a patch (primgfix.zip) that patches the WPS to nix the viewer 
methods.  Originally, you couldn't even change the default action from 
those methods, and the "fix" requires that you modify each file 
individually.  Another workaround is to change the object class of the 
images from MM* to WPDataFile (from the Become menu page).

Mike Ruskai
thannymeister@yahoo.com


... Windows for Workgroups: Why crash 1 when you can crash 6?

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