Displays a help topic based on a mapped topic ID.
If a window type is not specified, a default window type is used. If the window type or default window type is open, the help topic replaces the current topic in the window.
| pszFile | dwData | 
|---|---|
| Specifies the compiled help (.chm) file that contains the mapping information. To specify a defined window type, insert a greater-than (>) character followed by the name of the window type. | Specifies the numeric ID of the topic to display. You must map symbolic IDs of dialog boxes to numeric IDs in the [MAP] section of your project (.hhp) file. | 
HtmlHelp(
          GetDesktopWindow(),
          "help.chm",
          HH_HELP_CONTEXT,
          5000) ;
|   | About commands |