MouGetNumButtons
This call returns the number of buttons supported on the installed mouse driver.
MouGetNumButtons (NumberOfButtons, DeviceHandle)
NumberOfButtons (PUSHORT) - output Address of the number of physical buttons. The return values for the number of buttons supported are:
Value | Definition |
---|---|
1 | One mouse button |
2 | Two mouse buttons |
3 | Three mouse buttons. |
DeviceHandle (HMOU) - input Handle of the mouse device from a previous MouOpen.
rc (USHORT) - return Return code descriptions are:
385 | ERROR_MOUSE_NO_DEVICE |
466 | ERROR_MOU_DETACHED |
501 | ERROR_MOUSE_NO_CONSOLE |
505 | ERROR_MOU_EXTENDED_SG |
C bindings
#define INCL_MOU USHORT rc = MouGetNumButtons(NumberOfButtons, DeviceHandle); PUSHORT NumberOfButtons; /* Number of mouse buttons */ HMOU DeviceHandle; /* Mouse device handle */ USHORT rc; /* return code */
MASM bindings
EXTRN MouGetNumButtons:FAR INCL_MOU EQU 1 PUSH@ WORD NumberOfButtons ;Number of mouse buttons PUSH WORD DeviceHandle ;Mouse device handle CALL MouGetNumButtons Return WORD