This function is used to identify or change the help table.
#define INCL_WINHELP /* Or use INCL_WIN, INCL_PM, */
#include <os2.h>
HWND hwndHelpInstance; /* Handle of an instance of the Help Manager. */
PHELPTABLE phtHelpTable; /* Help table allocated by the application. */
BOOL rc; /* Success indicator. */
rc = WinCreateHelpTable(hwndHelpInstance,
phtHelpTable);