CLOSE 
CLOSE
Use
This event is triggered when the user clicks the Close button in the dialog box. By handling the event, you can close the dialog box when the user does this.
For further information, refer to
Event Handling, and to
Lesson 2: Event Handling of the Controls Tutorial.
Features
You need to add the following coding to your program.
Declaration Part
data close_event type cntl_simple_events.
class lcl_dialogbox_handler definition.
public section.
methods: on_dialogbox_close
for event close of cl_gui_dialogbox_container
importing sender.
endclass.
class lcl_dialogbox_handler implementation.
method on_dialogbox_close.
if not sender is initial.
call method sender->free
exceptions
others = 1.
if sy-subrc <> 0.
*Error handling
endif.
free dialogbox_container.
clear dialogbox_container.
endif.
endmethod.
endclass.
data: dialogbox_handler type ref to lcl_dialogbox_handler.
After Creating the Dialog Box Container
If dialogbox_handler is initial.
create object dialogbox_handler.
endif.
set handler dialogbox_handler->on_dialogbox_close
for dialogbox_container.