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9.4

Mfc Dialog-App activating HtmlHelp: ok from Explorer, fails in VisStudio

Asked by l_d_allan in Windows MFC Programming

Tags: hh_display_index

Mfc Dialog-App activating HtmHelp: ok from Explorer, fails in VisStudio

I've got an Mfc generated Dialog App with a menu and various controls.  I want to use HtmlHelp, and am having a strange problem with "Help + Topics" and "Help + Index"

I compile/link with Debug configuration to create files
.\Debug\InVerse.exe
.\Debug\InVerse.chm

The code below works fine when I dbl-click on InVerse.exe from the Explorer.  It displays the 'Contents' and 'Index' correctly.  It seems to be able to 'find' InVerse.chm.  

But it fails (ret = 0) when I run it from VisStudio 6.0 sp5's IDE.  It fails both when I step through the code with the debugger, or run via Ctrl+F5.  The same behavior happens with a Release configuration and Ctrl-F5.  Runs ok from the Explorer, but not in the IDE.

void CInVerseDlg::OnHelp()
{
  HWND ret = HtmlHelp(NULL, "InVerse.chm", HH_DISPLAY_TOC, NULL);
  if (ret == 0) {
    AfxMessageBox("Unable to display HH_DISPLAY_TOC");
  }
}

void CInVerseDlg::OnHelpIndex()
{
  HWND ret = HtmlHelp(NULL,"InVerse.chm", HH_DISPLAY_INDEX, 0);
  if (ret == 0) {
    AfxMessageBox("Unable to display HH_DISPLAY_INDEX");
  }
}

What am I doing wrong or leaving out?  I'm aware that Dialogs work differently than Sdi/Mdi apps, but I'm baffled that it works ok 'outside' the IDE and not 'inside'.

TIA
[+][-]03/15/02 11:07 PM, ID: 6870518Accepted Solution

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About this solution

Zone: Windows MFC Programming
Tags: hh_display_index
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Solution Provided By: DanRollins
Participating Experts: 1
Solution Grade: A
 
[+][-]03/16/02 04:53 AM, ID: 6870781Author Comment

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[+][-]03/16/02 10:06 AM, ID: 6871563Expert Comment

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[+][-]03/16/02 12:53 PM, ID: 6871885Author Comment

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[+][-]03/16/02 01:13 PM, ID: 6871928Expert Comment

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[+][-]03/16/02 02:10 PM, ID: 6872070Author Comment

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[+][-]04/07/02 02:03 PM, ID: 6924208Expert Comment

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