Path: utzoo!attcan!uunet!ncrlnk!ncrcae!secola!ramspott
From: ramspott@secola.Columbia.NCR.COM (John Ramspott)
Newsgroups: comp.windows.ms
Subject: Dialog Structure and File I/O
Keywords: dialog structure, file routines
Message-ID: <213@secola.Columbia.NCR.COM>
Date: 27 Jan 89 14:25:25 GMT
Organization: NCR SE-Columbia, West Columbia, SC
Lines: 16

I have two questions for the net. First, how can I access directly the
windows structure or structures for a particular dialog box given the
handle to that box? I need to write a function that can take the handle
to a dialog box, take the information from the fields, and package it up
to be sent across the network to a process on another machine. This routine
must be generic. I must be able to find out three things:
      1) What fields are in the dialog box
      2) What type of fields they are
      3) What the user-entered contents are

Second, I noticed that many of the programs in the Petzold book don't link
under Windows 2.1. They can't find any of the "undocumented" file I/O
like _lseek, _lread, _lwrite, etc. I called Microsoft and they said they
had been removed in the "upgrade" :-). They recommend writing these routines
yourself in assembler. Being a C programmer, I found this disconcerting. Has
anyone out there written these yet? If so, please post or send to me.