REFERENCE(TREEBOX) TYPE REF TO CL_GUI_DIALOGBOX_CONTAINER
VALUE(I_CONTAINER_CTRL) TYPE REF TO CL_GUI_DIALOGBOX_CONTAINER
REFERENCE(DIALOGBOX_CONTAINER) TYPE REF TO CL_GUI_DIALOGBOX_CONTAINER
CL_GUI_DIALOGBOX_CONTAINER OPTIONAL
REFERENCE(IO_DIALOGBOX_CONTAINER) TYPE REF TO