Constant enumeration

Keyboard event flag

Member Value Description
eKeyboardEventFlagExtendedKey 1 If specified, the scan code was preceded by a prefix byte that has the value 0xE0 (224)
eKeyboardEventFlagKeyUp 2 If specified, the key is being released. If not specified, the key is being pressed
eKeyboardEventFlagScanCode 8 If specified, wScan identifies the key and wVk is ignored
eKeyboardEventFlagUnicode 4 If specified, the system synthesizes a VK_PACKET keystroke. The wVk parameter must be zero. This flag can only be combined with the eKeyboardEventFlagKeyUp flag