protected void postClosingEvent ( JInternalFrame frame ) { InternalFrameEvent e = new InternalFrameEvent ( frame , InternalFrameEvent . INTERNAL_FRAME_CLOSING ) ; // Try posting event, unless there's a SecurityManager. if ( JInternalFrame . class . getClassLoader ( ) == null ) { try { Toolkit . getDefaultToolkit ( ) . getSystemEventQueue ( ) . postEvent ( e ) ; return ; } catch ( SecurityException se ) { // Use dispatchEvent instead. } } frame . dispatchEvent ( e ) ; }
Post a WINDOW_CLOSING - like event to the frame so that it can be treated like a regular Frame .