Also you can configure MessageBox in a way that when the user requests for help by click on Help button or by pressing F1, it show a CHM file or navigate to a URL or perform a custom action. You can configure a MessageBox to show a Help button or not. You can provide help for message box in different ways.
VB.NET Help.ShowHelp(Me, hlpProviderMain.HelpNamespace)
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You can generate HTML Help 1.x files with a free tool from Microsft called HTML Help Workshop.Īn easy way to show a compiled help file in a second window:Ĭ# Help.ShowHelp(this, helpProviderMain.HelpNamespace) Shortcuts work only in compiled Help files. Compiled Help files provide table of contents, index, search, and keyword links in pages. You can use the Help object to show compiled Help files (.chm) or HTML files in the HTML Help format. The Help Class encapsulates the HTML Help 1.0 engine. For more information about HTML Help, see "HTML Help Workshop" and other HTML Help topics at Microsoft HTML Help. You can generate HTML Help 1.x files by using HTML Help Workshop. Compiled Help files provide a table of contents, an index, search capability, and keyword links in pages. Using HelpProvider and Help class You can show compiled Help files (.chm) or HTML files in the HTML Help format. A ToolTip can be associated with any control. You can use ToolTip component to display some help text when the user points at controls. You can provide help for MessageBox, OpenFileDialog, SaveDialog and ColorDialog using Help button of the components. Help button of MessgeBox and CommonDialogs This way, if the user click on Help button, the cursor will change to a ? cursor and after click on any point, any context-sensitive help associated with the control using HelpProvider will be show. You can setup the Form to show Help button on title-bar. You can handle HelpRequested event of Control objects or Form to perform custom actions when the user press F1 or click on Help button of form. You can use Help class in code, to provide these kinds of help: Navigate to a URL using default browser.Open a CHM file based on context (Show table of content, Show a keyword or index, show a topic).Show a context sensitive help pop-up for controls.This way when the user press F1 key or Help button of form, you can automatically: You can setup a HelpProvider component to provide context sensitive help for component. You can show context-sensitive help for Forms, Controls and dialogs. You can show a pop-up help, open a CHM file or a URL.
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You can provide help for Forms and Controls in a Windows Forms Applications in different ways.
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