Help button get chm instead of hlp

I have a application built around a CPropertySheet derived class. The help button is looking for 'app.hlp' file (this is the default MFC stuff, I've not added anything other than moving the button). How do I get it to look for a 'app.chm' file instead

I've tried the following using a test help file in InitInstance()

//First free the string allocated by MFC at CWinApp startup.
//The string is allocated before InitInstance is called.
free((void*)m_pszHelpFilePath);
//Change the name of the .HLP file.
//The CWinApp destructor will free the memory.
m_pszHelpFilePath=_tcsdup(_T("C:\\filezilla\\filezilla.chm"));
EnableHtmlHelp();

but i just get "Failed to launch help"

Visual C++2

You need to call EnableHtmlHelp in your CWinApp derived constructor, not in the InitInstance. See

http://msdn2.microsoft.com/en-US/library/f08efa3d(VS.80).aspx

Good point.
Same result though

This is a MFC question that really should be asked in a MFC newsgroup; see The scope of this forum.

I happen to have an article that might help with MFC for VC 6 but I assume that won't help you since this forum is for later versions of VC.

I'm using VS 2005. I thought HtmlHelp was actually an SDK I don't mind cross -posting if I get an answer though!

It works for me. Here's what I did:

1) Launch Visual C++ 2005

2) Create a new MFC project (application)

3) In the wizard, enable HTML Help

4) In my CWinApp derived class InitInstance, just before the call to the base class CWinApp::InitInstance, insert the following code:

free((void*)m_pszHelpFilePath);

m_pszHelpFilePath=_tcsdup(_T("c:\\test.chm"));

5) Copy a test.chm to the root of my C drive

6) Build and launch the application

7) Chose Help - Help topics.

You'll see that the HTML Help file launches fine

I think you can also consider calling of SetHelpMode(afxHTMLHelp) somewhere in your InitInstance function, without other changes. In this case MFC should look for CHM file instead of HLP.

I hope this works.

Actually in the wizard generated app I gave, the SetHelpMode is already done in the CWinApp derived constructor (where it should be done) in the call to EnableHtmlHelp (which is eqivalent to what you mentioned)

Note that you would get faster, more accurate and complete answers in the MFC newsgroup. Actually the fastest answers can be obtained in the documentation; this is something that would be in the documentation.

Thanks Ted.
Yes I tried it from scratch too and had no problem. My app is a CPropertySheet which is a CWnd. Not sure if that makes a difference

Sam,

For VC2005 MFC issues, these forums are the proper locations.

Thanks,

Ayman Shoukry

VC++ Team

Ayman Shoukry - MSFT wrote:

Sam,

For VC2005 MFC issues, these forums are the proper locations.

Thanks,

Ayman Shoukry

VC++ Team

That sounds good to me. I posted some relevant comments in AfxGetThread from non-MFC thread.

Thanks for your understanding!

To be more clear. These forums are for VC++ 2005 specific issues.

The MFC is part of the libraries owned by the VC++ Team.

Thanks,

Ayman Shoukry

VC++ Team

I got the same error but in VISTA os...can u tell the way to clear the bug