NULL                    -1
REDRAW                  1
OPENWINDOW              2
CLOSEWINDOW             3
POINTERLEAVING          4
POINTERENTERING         5
MOUSECLICK              6
USERDRAGBOX             7
DRAGDROPPED             7
KEYPRESS                8
KEYPRESSED              8
MENU                    9
MENUSELECTION           9
SCROLL                  10
SCROLLREQUEST           10
LOSECARET               11
GAINCARET               12
POLLWORD                13
USERMSG                 17
USERMESSAGE             17
MESSAGE                 17
USERMSGREC              18
USERMESSAGERECORDED     18
MESSAGEREC              18
USERMSGACK              19
USERMESSAGEACKNOWLEDGED 19
MESSAGEACK              19

