◄Up► ◄Next► ◄Previous► ──────────────────────────────────────────────────────────────────────────── #define INCL_DOSDEVIOCTL USHORT DosDevIOCtl(pusCount, 0L, 0x0060, 0x0007, hDevice) PUSHORT pusCount; /* pointer to variable for button count */ HFILE hDevice; /* device handle */ The MOU_GETBUTTONCOUNT function retrieves a count of the number of mouse buttons. Parameter Description ──────────────────────────────────────────────────────────────────────────── pusCount Points to the variable that receives the count mouse buttons. hDevice Identifies the pointing device that receives the device-control function. The handle must have been created previously by using the DosOpen function. Return Value The return value is zero if the function is successful or an error value if an error occurs. See Also DosOpen ♦