One or more of the following values describing the state of the Shift/Ctrl/Alt keys and mouse buttons:
MOUSE_SHIFT
- Indicates the Shift key is
pressed.MOUSE_CTRL
- Indicates the Ctrl key is
pressed.MOUSE_ALT
- Indicates the Alt key is pressed.MOUSE_LBUTTON
- Indicates the Left button is
down.MOUSE_MBUTTON
- Indicates the Middle button is
down.MOUSE_RBUTTON
- Indicates the Right
button is down.