PC>You may also want to get a good book, I recommend "OS/2 Presentation
PC>Manager Programming" by Petzold.  This is a good book for beginners.

PC>Real World Programming is also another good book, but can be a bit heavy
PC>for the beginner.

I agree w/ the two recommendations above and the assessments, as I am
slowly, on and off, working through Petzold.  However, I find that I
have to go to the

   OS/2 Presentation Manager Programming Guide series from QUE.

It is apparently part of the IBM OS/2 Technical Library.  A three part
series covering Control Program programming, PM programming, and PM
Graphics programming, volumes 1 through 3.

Petzold will, for example, define generally presentation spaces and
device contexts, but the PM Graphics programming book goes into detail
about them, and explains some(?) of the implications of using one rather
than another.
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