Handle button event of popup created from component controller

Hi all,
I have created a method for created popup in the component controller with button kind 'yes-no'.Now i use it in the view.
Till here all is working fine.
Now i want to use the events which triggers on the popup (yes, no).Any idea how to trigger these buttons action.
The problem i am facing here is: When i use <b>subscribe_to_button_event</b> method it does not working.
Any ideas how to use this.
Points will be sured.
Sanket sethi

hi sanket.........
here is a code snippet... check this out.
data: l_cmp_api          type ref to if_wd_component,
        l_window_manager   type ref to if_wd_window_manager,
        l_popup            type ref to if_wd_window,
        l_text             type string_table,
        l_api              type ref to if_wd_view_controller.
  l_cmp_api        = wd_comp_controller->wd_get_api( ).
  l_window_manager = l_cmp_api->get_window_manager( ).
  insert `Data where changed` into table l_text.   
  insert `Do you want to save?`        into table l_text.   
  l_popup = l_window_manager->create_popup_to_confirm(
                text            = l_text
                button_kind     = if_wd_window=>co_buttons_yesnocancel
                message_type    = if_wd_window=>co_msg_type_question
                window_title    = 'Test: Popup to confirm'
                window_position = if_wd_window=>co_center ).
  l_api = wd_this->wd_get_api( ).
  l_popup->subscribe_to_button_event(
               button            = if_wd_window=>co_button_yes
               action_name       = 'YES'
               action_view       = l_api
               is_default_button = abap_true ).
  l_popup->subscribe_to_button_event(
               button            = if_wd_window=>co_button_no
               action_name       = 'NO'
               action_view       = l_api
               is_default_button = abap_false ).
  l_popup->subscribe_to_button_event(
               button            = if_wd_window=>co_button_cancel
               action_name       = 'CANCEL'
               action_view       = l_api
               is_default_button = abap_false ).
  l_popup->open( ).
--regards,
  alex b justin

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