Method: IF_ESD_UI~HANDLE_FCODE
Method: CREATE_TREE_DATA
Method: SORT_NODES
Method: DO_DRAG
Method: CONSTRUCTOR
Method: IS_SORTABLE
Method: COPY_NODE
Method: ADD_MENU_FOR_NODE
Method: CHECK_TARGET_OBJECT
Method: CHECK_EXT_SRC_AND_TARGET
Method: DELETE_NODE
Method: OBJECT_DROPPED
Method: CHECK_INT_SRC_AND_TARGET
Method: CHECK_SOURCE_OBJECT