Connecting HTML Help to Visual Basic Programs
Visual Basic (versions 6 and later) provides directly for calling window level HTML Help topics using the F1 key, or providing What’s This? Help for each control, including activation from the F1 key. The choice between What’s This? Help and form level F1 help can be made on a form by form basis. Only version 6 and later of Visual Basic recognize .chm files as a valid help file format. For any earlier versions of Visual Basic, you must make all HTML Help calls directly to the HTML Help API.You also cannot use the Common Dialog control to call HTML Help. No current version of this control recognizes .chm files a help files.
This section shows the steps necessary to hook context sensitive HTML Help into Visual Basic. Set the Help File Name Before using the built in context sensitive help features of Visual Basic, you need to set the App.HelpFile property so that the program knows the help file to call and the window in which WinHelp should display the topic.
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Tags: chm files, common dialog control, current version, f1 key, file format, help file, helpfile, version 6
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