Two signal handlers are connected — one to quit the application when the user closes the window and another to change the greeting that is displayed when the user clicks the button.
两个信号处理器被连接起来——一个用来在用户关闭窗口时退出应用程序，另一个用来在用户点击按钮时，修改显示的欢迎信息。
Such an application runs on the server and only the application window is sent to the remote user, reducing the client side resources needs, the administration and deployment costs.
通过这种只将运行于服务器之上的应用程序窗口发送给远程用户的方式，减少了对客户端资源的需求，也减少了管理和布署的成本。
The application toolbars are hidden, and application menus are in auto-hide mode at the top of the window.
程序工具栏会隐藏起来，而程序菜单会自动隐藏到窗口的顶部。
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