Keyboard Input Messages
The following messages are used to receive and process keyboard input.
WM_ACTIVATE WM_CHAR WM_DEADCHAR WM_GETHOTKEY WM_HOTKEY WM_KEYDOWN WM_KEYUP WM_KILLFOCUS WM_SETFOCUS WM_SETHOTKEY WM_SYSCHAR WM_SYSDEADCHAR WM_SYSKEYDOWN WM_SYSKEYUP