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Winhelp to HTML converter

Posted on 1999-07-26
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Last Modified: 2010-04-09
Does a program exists which converts winhelp files to html?  If so, where might I find it?
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Question by:BoB
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by:nettrom
ID: 1852388
I've found one commercial application created by Blue Sky software, http://www.blue-sky.com/, that's supposed to do what you want.  I was slightly surprised when I found out that Microsoft doesn't seem to have anything available on the subject, their tool can only convert existing WinHelp projects to HTML Help projects.

one solution I saw suggested on one of the W3C mailing lists was decompiling the WinHelp file and then convert the resulting RTF files to HTML.  one such tool mentioned was Helpdeco, found on http://www.wextech.com/helpdeco.htm

I found one tool on Tucows, but it's shareware for $169.00, URL to its homepage is http://www.helpfile-builder.com
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Author Comment

by:BoB
ID: 1852389
That works well enough for me (the coverting to RTF solution).  You can answer the question and get your credit.  Thanks.

BoB
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nettrom earned 200 total points
ID: 1852390
thanks. :)

I'll just write the solution in the answer in case anybody finds it later.

commercial solutions exists, but of course costs money.  a cheaper way of getting it done is to use Helpdeco to decode the WinHelp file into separate RTF files, and then decode those RTF files into HTML.  to get Helpdeco visit http://www.wextech.com/helpdeco.htm
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Expert Comment

by:delind
ID: 20363923
You don't need a commercial solution. Converting to HTML-help is not too difficult following the instructions in the following pages. You can use Microsofts HTMLHelp Workshop to convert a .hlp file to an chm.-file.
Use the program HHPMod under 'Tips & tricks' to restore the original TopidID's and make to more suitable for context-sensitive help.

http://www.help-info.de/en/Help_Info_WinHelp/hw_converting.htm

Delphi programmers can find a small unit conHTMLHelp.pas on the following website. It only needs to be included in the project-file  to switch to HTML-help.

http://www.paranoia.clara.net/articles/using_html_help.html

Only change the line:

    HtmlHelp(Application.MainForm.Handle, PChar(Application.HelpFile),
        HCommand, Data);

to
        HtmlHelp(Application.MainForm.Handle, PChar(Application.HelpFile), HCommand, Data);

If you want to access HTML-help form a network-drive you have to make a change to the registry:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\HTMLHelp\1.x\ItssRestrictions]
"MaxAllowedZone"=dword:00000001

Kind regards,

Daniel de Lind
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