🚀 go-pugleaf

Hi,

I am converting my application from using WinHelp to HtmlHelp.  
I have mostly got it working, but have a problem which I don�t 
understand.

My application has a main form which is always open and 
serveral other forms which can be opened from the main form, 
but in most cases only one of these additional forms can be 
open at one time.

In the set up of my main form I do the following:

HINSTANCE hHtmlHelpModule = LoadLibrary("hhctrl.ocx");

 //Get the address of the HtmlHelpA API.
 HtmlHelpFunction = (HTMLHELP)::GetProcAddress
                            (hHtmlHelpModule, "HtmlHelpA");

On most of the forms, to display the help to the user I do the 
following:

HWND hWnd;

    if (MainForm->HtmlHelpFunction)
    {
        MainForm->HelpFilename = HELPFILENAME;
        (*MainForm->HtmlHelpFunction)(hWnd, MainForm-
               >HelpFilename.c_str(), HH_HELP_CONTEXT, IDH_E1);
    }

and this works fine.

In one case I open several additional forms at once and with 
the same code I get an out of resources error message.

If instead I use the following:

    if (MainForm->HtmlHelpFunction)
    {
        MainForm->HelpFilename = HELPFILENAME;
        (*MainForm->HtmlHelpFunction)(Handle, MainForm-
         >HelpFilename.c_str(), HH_HELP_CONTEXT, IDH_E1);
    }

I don�t understand why and don�t know if the second piece of 
code is valid to use.
Any help would be appreciated.
JB