Method: SET_CURRENT_CELL
Method: GET_CURRENT_CELL_ID
Method: GET_SELECTED_CELL_IDS
Method: CONVERT_CELLS
Method: SET_CELL_SELECTION
Method: SET_CELLS
Method: GET_SELECTION
Method: SNAP_TO_TDTYPE_FIELD
Method: GET_COL_WIDTH
Method: MAP_GRID2EXT
Method: MAP_EXT2GRID