Method: GET_EDIT_MODE
Method: IS_VA_VISIBLE
Method: INITIALIZE_CONFIG
Method: GET_CONFIGURATION_KEY
Method: DO_INIT_CONTEXT
Method: SELECT_CURRENT_KEY
Method: EH_ONDELETE_CHOOSEN
Method: IS_BUTTON_ENABLED
Method: EH_ONCOPY_CHOOSEN
Method: EH_ONROW_SELECT
Method: CAN_DELETE_CURRENT
Method: EH_ONCONFIG_DELETE_CHOOSEN
Method: EH_ONCONFIG_COPY_CHOOSEN