Specifies constants indicating which elements of the Help file to display.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
|The Help file opens to the index entry for the first letter of a specified topic.|
|The Help file opens to the search page.|
|The Help file opens to the index.|
|The Help file opens to the topic with the specified index entry, if one exists; otherwise, the index entry closest to the specified keyword is displayed.|
|The Help file opens to the table of contents.|
|The Help file opens to a specified topic, if the topic exists.|
|The Help file opens to a topic indicated by a numeric topic identifier.|
The following code example displays a form with three buttons that can be used to interact with the mspaint.chm Help file. The Show Help Index button displays the Index tab for the Help file. The Show Help button displays content in the Help file based on the value selected in the Help Navigator list. The Show Keyword button displays content in the Help file based on the keyword specified in the Keyword text box.
For example, to show the Ovals Help page by the index value, select the value in the Help Navigator drop-down list, type ovals in the Parameter text box, and then click the Show Help button. To show the "To paint with a brush" Help topic by the keyword, type mspaint.chm::/paint_brush.htm in the Keyword text box, and then click the Show Keyword button.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.