swt代碼

//設置顯示在屏幕中央
  Toolkit kit = Toolkit.getDefaultToolkit();
  Dimension screensize = kit.getScreenSize();//獲取屏幕的大小
  int screenwidth = screensize.width;//屏幕的寬度
  int screenheight = screensize.height;//屏幕的高度
  shell.setLocation((screenwidth-shell.getSize().x)/2, (screenheight-shell.getSize().y)/2);

private void open()
 {
  final Display display = Display.getDefault();
  createContent();
  shell.open();
  shell.layout();
  while (!display.isDisposed()) {
   if(!display.readAndDispatch())
   {
    display.sleep();
   }
  }
 }