ShiftConstants
Bit flags for the Shift argument of mouse and key events, identifying which modifier keys are pressed. Combine with Or to test for multiple modifiers.
| Constant | Value | Description |
| vbShiftMask | 1 | Shift is held down. |
| vbCtrlMask | 2 | Ctrl is held down. |
| vbAltMask | 4 | Alt is held down. |