Help.ShowHelp Method (Control, String)
Displays the contents of the Help file at the specified URL.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
The following code example demonstrates the ShowHelp method. To run this example, paste the following code into a form that contains a button named Button1.
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.