If your project is properly registered, and the necessary keys have been set in the property list, this method launches Help Viewer and displays the first page of your application’s help book.
Original signature is '- (void)showHelp:(id)sender'
Available in Mac OS X v10.0 and later.
- sender (Id)
- The object that sent the command.
- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)