This method is called to allow the class object to specify its default help panel for its instances.

#define INCL_WINWORKPLACE
#include <os2.h>

M_WPObject     *somSelf;      /*  Pointer to the WPObject class object. */
PULONG          HelpPanelId;  /*  Pointer to the help panel which provides help for this class. */
PSZ             HelpLibrary;  /*  Pointer to the buffer in which to place the name of the Help library. */
ULONG           rc;           /*  Success indicator. */

rc = _wpclsQueryDefaultHelp(somSelf, HelpPanelId,
       HelpLibrary);