Hi Rajesh,
Following is code I have used. I am using Simple tree. Facing problem in drag and drop in right to left.
TABLES ZMATH1 .
TABLES ZMATH2 .
TABLES ZMATH1L .
TABLES ZMATH2L .
DATA container TYPE REF TO cl_gui_custom_container .
DATA splitter TYPE REF TO cl_gui_easy_splitter_container .
DATA right TYPE REF TO cl_gui_container .
DATA left TYPE REF TO cl_gui_container .
DATA tree_right TYPE REF TO cl_gui_simple_tree .
DATA tree_left TYPE REF TO cl_gui_simple_tree .
DATA behaviour_left TYPE REF TO cl_dragdrop .
DATA behaviour_right TYPE REF TO cl_dragdrop .
DATA handle_tree_left TYPE i .
DATA handle_tree_right TYPE i .
DATA node_itab_left LIKE node_str OCCURS 0 .
DATA node_itab_right LIKE node_str OCCURS 0 .
DATA node LIKE node_str