GDOS Handles

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Article #33142

#33142

From: ONM07
Date: Wed, 06 Jul 1988 12:04

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Date: 6 July 1988, 13:58:58 MES
From: Julian F. Reschke         (02501) 13279        ONM07    at DMSWWU1A
      Linckensstrasse 113
      4400 Muenster
      Westfaelische Wilhelms-Universitaet Muenster
      Fachbereich Mathematik
To:   Info Atari16-Digest                            INFO-ATA at SCORE

Concerning Leo de Wit's program to read characters from screen:

PLEASE NEVER NEVER NEVER do VDI-calls with a zero-handle. Valid VDI
handles start at 1! Calling a VDI-function with zero-handle will result
in an error when working with Atari's brand new GDOS (AMCGDOS)!
What's true: the desktop WINDOW used by the AES has handle nr. 0. This
is very different from VDI-*DEVICE*-handles!!

Julian

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From: ONM07@DMSWWU1A.BITNET
Newsgroups: comp.sys.atari.st
Subject: GDOS Handles
Message-ID: <8807061204.AA27467@ucbvax.Berkeley.EDU>
Date: 6 Jul 88 12:04:24 GMT
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X-Unparsable-Date: Wed, 06 Jul 88 14:02:40 MES