Shift
An integer that indicates which of the SHIFT, CTRL, and ALT keys are down when the mouse wheel is rotated .
The following are possible values:
Value |
Meaning |
1 |
SHIFT key |
2 |
CTRL key |
4 |
ALT key |
3 |
CTRL/SHIFT key |
5 |
ALT/SHIFT key |
6 |
CTRL/ALT key |
7 |
CTRL/ALT/SHIFT key |