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1993-04-14
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{
════════════════════════════════════════════════════════════════════════════
Visionix VUI Help Unit (VHELP)
Copyright 1991,92,93 Visionix
ALL RIGHTS RESERVED
────────────────────────────────────────────────────────────────────────────
Revision history in reverse chronological order:
Initials Date Comment
──────── ──────── ────────────────────────────────────────────────────────
mep 03/30/93 Now uses FileExist in VDOSHigh.
mep 02/11/93 Cleaned up code for beta release
jrt 02/08/93 Sync with beta 0.12 release
jrt 12/07/92 Sync with beta 0.11 release
mep 11/30/92 Updated code for beta 0.11
jrt 11/21/92 Sync with beta 0.08
jrt 11/18/92 First logged revision.
════════════════════════════════════════════════════════════════════════════
}
{$D+}
Unit VHelp;
{-------------------------------------------------------------------------}
{ }
{ PURPOSE: extended help routine that reads data from an external Ascii }
{ help file. Includes windowing, buttons, dialogs, etc. All indexed in }
{ the external help file }
{ ORIGINAL SOURCE: Steve Lewis }
{ }
{-------------------------------------------------------------------------}
Uses
VTypes,
VGen,
VCRT,
DOS,
VDOSHigh,
VWinHigh,
VWinLow;
{────────────────────────────────────────────────────────────────────────────}
Const
erVHelp_None = 0;
erVHelp_NoHelpBegin = 1;
erVHelp_NoHelpPage = 2;
erVHelp_NoTextBegin = 3;
erVHelp_NoTextEnd = 4;
erVHelp_NoPageEnd = 5;
erVHelp_FileNotFound = 6;
Var
VHelpPage : ST80;
VHelpFile : ST80;
VHelpError : BYTE;
Procedure VHelpGo;
{────────────────────────────────────────────────────────────────────────────}