Method: ADD_ROW_IDS_TO_BUFFER
Method: SET_MT_SELECTION
Method: GET_VISIBLE_DATA_FOR_VIEW
Method: SKIP_VIEW
Method: EXPAND
Method: IDENTIFY_OBJECT
Method: CREATE_TOOLTIP_FOR_BAR
Method: EXPAND_SUBTREE
Method: SET_CUSTOM_TIMESCALE
Method: FILL_ATTRIBUTES
Method: SHOW_DATES
Method: COLLAPSE_SUBTREE
Method: GET_ALL_GANTT_DATA
Method: SET_SELECTION