Thanks ALOT. That was very frustrating -- I was going crazy. That fixed my
problem.


Wolfgang Bochar

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Dirk
Heiser
Sent: Monday, November 19, 2001 8:12 PM
To: Palm Developer Forum
Subject: Re: Bitmap drawing and OS3.1 NEgative Coords Problem


Hi Wolfgang

> WinDrawBitmap still throws an error that there are INVALID PARAMS. I
checked
> the original Screen Driver in version 3.1 and its got the same parameters
as
> the 3.5 version.

> What I am trying to do is scroll a large bitmap of a city.

> Its really bugging me, I can get the code to work on OS3.3 and above --
but
> as soon as an older palm tries to draw a negative coord it causes the
> program to crash with Invalid params.

IIRC there are an problem with compressed bitmaps that move outside
the screen on older OS versions. Try to use an uncompressed Tbmp.


cu,
 Dirk

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