how to link the container and screen

dear all

I have splited the screen0 to 3 containers. The first one is for pic,the second is for tree, the last one display guid.It is all ok like the SAP program 'DEMO_ABAP_OBJECTS_SPLIT_SCREEN'. It is all ok.

Now I want a container to display a screen /subscreen which i have created. How can i do it.

select_s TYPE REF TO cl_gui_custom_container/cl_gui_custom_container

CREATE OBJECT select_s

EXPORTING

parent = container_top " the splited container

container_name = 'Container_1'

repid = sy-repid

dynnr = '0200'. " the created screen

??

.