This function returns the pointer handle for hwndDeskTop.

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

HWND        hwndDeskTop;  /*  Desktop-window handle. */
HPOINTER    hptrPointer;  /*  Pointer handle. */

hptrPointer = WinQueryPointer(hwndDeskTop);