Events
The following events are applicable to the TREE-VIEW control:
CMD-GOTO,
CMD-HELP,
CMD-HELP-MOUSE,
MSG-BEGIN-ENTRY,
MSG-CANCEL-ENTRY,
MSG-END-MENU,
MSG-FINISH-ENTRY,
MSG-INIT-MENU,
MSG-MENU-INPUT,
MSG-MOUSE-ENTER,
MSG-MOUSE-EXIT,
MSG-TV-DBLCLICK,
MSG-TV-EXPANDED,
MSG-TV-EXPANDING,
MSG-TV-SELCHANGE,
MSG-TV-SELCHANGE-OUT-NEXT,
MSG-TV-SELCHANGE-OUT-PREV,
MSG-TV-SELCHANGING,
MSG-VALIDATE.