Visual Basic: CommonDialog Control
ShowHelp Method
Runs Winhlp32.exe and displays the Help file you specify.
Syntax
object**.ShowHelp**
The object placeholder represents an object expression that evaluates to an object in the Applies To list.
Remarks
Before you use the ShowHelp method, you must set the HelpFile and HelpCommand properties of the CommonDialog control to one of their appropriate constants or values. Otherwise, Winhlp32.exe doesn't display the Help file.