This function queries the window or queue accelerator table.

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

HAB       hab;          /*  Anchor-block handle. */
HWND      hwndFrame;    /*  Frame-window handle. */
HACCEL    haccelAccel;  /*  Accelerator-table handle. */

haccelAccel = WinQueryAccelTable(hab, hwndFrame);