Value that indicates which of the SHIFT, CTRL, and ALT keys are down when the button specified in the button argument is released. 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. |
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2