Help table.

This is a collection of help table entries, each of which has the structure defined below, the last entry of the collection being a NULL structure.

typedef struct _HELPTABLE {
  USHORT            idAppWindow;       /*  Application window identity. */
  PHELPSUBTABLE     phstHelpSubTable;  /*  Help subtable for this application window. */
  USHORT            idExtPanel;        /*  Identity of the extended help panel for the application window. */
} HELPTABLE;

typedef   HELPTABLE   * PHELPTABLE ;