Integrating Help *.chm files in FORTRAN applications

Paul Curtis
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June 27, 2009 6:40 AM PDT
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#1
Quoting - dannycat
I'm about to embark in creating a help system for my application. Most current help compilers create HTML Help files (*.chm) whereas previously WinHelp (*.hlp) files were the norm. Apparently the support for Winhelp (*.hlp) has been withdrawn by Microsoft with the advent of Vista. Although you can still download the WinHelp I prefer to use the current format. My question is how do you call up the HTML format help files from within a windows application.  The Generic sample provided still utilises the WinHelp API function which does not recognise HTML files.

Add the attached .lib file to your project.  Use this interface:

INTERFACE 
	FUNCTION HtmlHelp (hWndMain, lpszHelp, uCommand, dwData)
		USE ifwinTY
		integer(BOOL) :: HtmlHelp ! BOOL
		!DEC$ ATTRIBUTES DEFAULT, STDCALL, DECORATE, ALIAS:'HtmlHelpA' :: HtmlHelp
		integer(HANDLE) hWndMain ! HWND hWndMain
		!DEC$ ATTRIBUTES REFERENCE, ALLOW_NULL :: lpszHelp
		character*(*) lpszHelp ! LPCSTR lpszHelp
		integer(UINT) uCommand ! UINT uCommand
		integer(ULONG_PTR) dwData ! ULONG_PTR dwData
	END FUNCTION
END INTERFACE

and then your procs will need to process WM_HELP in the message loop handler:

CASE (WM_HELP)
	rval = HtmlHelp (ghwndmain, helppathname, HH_DISPLAY_TOPIC, NULL)



 Attachments 
htmlhelp.lib

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