| Value | Meaning |
|---|---|
| LButton0x0001 | Left mouse button is down |
| MButton0x0010 | Middle mouse button is down |
| RButton0x0002 | Right mouse button is down |
| XButton10x0020 | X1 mouse button is down |
| XButton20x0040 | X2 mouse button is down |
| Control0x0008 | Ctrl key is down |
| Shift0x0004 | Shift key is down |
| Alt0x0080 | Alt key is down |
| ButtonsMaskLButton | MButton | RButton | XButton1 | XButton2 | Mask for mouse button flags |
| KeyMaskControl | Shift | Alt | Mask for keyboard flags |
Mouse flag bits (mouse buttons and keyboard modifiers) for MouseEvent