This function identifies the module handle and identity of the help table to the instance of the Help Manager.

#define INCL_WINHELP /* Or use INCL_WIN, INCL_PM, */
#include <os2.h>

HWND       hwndHelpInstance;  /*  Handle of an instance of the Help Manager. */
ULONG      idHelpTable;       /*  Identity of the help table. */
HMODULE    Module;            /*  Handle of the module which contains the help table and help subtable resources. */
BOOL       rc;                /*  Success indicator. */

rc = WinLoadHelpTable(hwndHelpInstance, idHelpTable,
       Module);