Display display = new Display();
            Shell shell = new Shell();
            shell.setText( "Dialog" );
            shell.setSize( 300, 200 );
            shell.open();

            final Button button = new Button( shell, SWT.PUSH );
            button.setText( "Button" );
            button.setBounds( 20, 40, 80, 25 );

            while ( !shell.isDisposed() ) {
                if ( !display.readAndDispatch() )
                    display.sleep();
            }
            display.dispose();