VMD_Manipulate_Pointer_Message
include vmd.inc
mov esi, DeltaX
mov edi, DeltaY
mov al, RawButtonStatus
mov edx, OFFSET32 MouseInstance
VxDcall VMD_Manipulate_Pointer_Message
mov ScaledRotatedX, esi
mov ScaledRotatedY, edi
mov MappedButtonStatus, al
Allows a virtual device to install a hook procedure that manipulates mouse pointer data. A virtual device that needs to manipulate pointer data should hook this service instead of the VMD_Post_Pointer_Message service. A virtual device uses the Hook_Device_Service VMM service to install the hook procedure. Uses all registers.
- Returns values in these registers:
| al |
Bit flags that specify the button status. A flag is set if the corresponding button is down. The meaning of the flags is as follows: |
| Bit |
Meaning |
| 0, 1 |
Undefined |
| 2 |
Status of button 4 |
| 3 |
Status of button 2 |
| 4 |
Status of button 3 |
| 5 |
Status of button 1 |
| 6 |
Undefined |
| 7 |
Button-map flag. A hook procedure should set this flag if it maps the mouse buttons, otherwise it should clear it. |
| esi |
Scaled or rotated horizontal delta value. |
| edi |
Scaled or rotated vertical delta value. |
- DeltaX and DeltaY
- Amount, in mickeys, of horizontal and vertical mouse movement.
- ButtonStatus
- Bit flags that specify the new status of the mouse buttons.
- MouseInstance
- Address of a MOUSE_INSTANCE structure that contains information describing the mouse device.
See also MOUSE_INSTANCE, VMD_Post_Pointer_Message