Method: CONSTRUCTOR
Method: FUNCTION_DELIMITATION
Method: ON_DATA_CHANGED_FINISHED
Method: FUNCTION_DELETE
Method: ON_DOUBLE_CLICK
Method: FUNCTION_CALCULATE_LOAN
Method: ON_TOOLBAR
Method: DISPLAY_DETAIL
Method: ON_USER_COMMAND
Method: REFRESH
Method: DISPLAY
Method: ON_MENU_BUTTON
Method: SELECT_ITEM_BY_DB_KEY
Method: FUNCTION_CHECK_CONDITIONS
Method: FUNCTION_CREATE_NEW_DUE_DATE