LCLICKA = (HDN_FIRST - 5)
Public Const HDN_DIVIDERDBLCLICKW = (HDN_FIRST - 25)
Public Const HDN_BEGINTRACKA = (HDN_FIRST - 6)
Public Const HDN_BEGINTRACKW = (HDN_FIRST - 26)
Public Const HDN_ENDTRACKA = (HDN_FIRST - 7)
Public Const HDN_ENDTRACKW = (HDN_FIRST - 27)
Public Const HDN_TRACKA = (HDN_FIRST - 8)
Public Const HDN_TRACKW = (HDN_FIRST - 28)
Public Const HDN_ITEMCHANGING = HDN_ITEMCHANGINGA
Public Const HDN_ITEMCHANGED = HDN_ITEMCHANGEDA
Public Const HDN_ITEMCLICK = HDN_ITEMCLICKA
Public Const HDN_ITE