Method: ON_SELECT_VARIANT
Method: CREATE_TREE
Method: READ_FCAT
Method: FILL_DATA_TABLE
Method: REFRESH_DATA_TABLE
Method: SORT_DATA_TABLE
Method: SET_FLD_PROPERTIES
Method: READ_DDIC_INFO
Method: BUILD_FIELDCAT
Method: BUILD_SORT_TABLE
Method: IF_PT_UIA_TMW_NAVIGATION_TREE~ON_CHANGE_HIERARCHY
Method: SET_TABLE_LAYOUT