So we’ll complicate things just a touch and create a button on the page, for which we’ll write an event handler to pop up a message box saying "Hello world", instead.
为了演示这一面，我们来做一个稍稍复杂一点的例子 ：在页面上创建一个按钮，然后用一个事件处理器来响应按钮事件并弹出一个消息框显示“Hello world”字样。
You should see a message box reminding you that you are required to deploy a JAX-RPC handler whose job it is to set the transport.url property for each message to this service.
您应该看到一个消息框，提示您需要部署一个JAX - RPC处理程序，这个处理程序的主要工作就是为每个到此服务的消息设置transport . ur l属性值。
The behavior in an application would be that first this handler would show its message box and then the visual change in the virtual method's handler would be shown.
应用程序中的行为将是该处理程序首先显示其消息框，随后将显示虚方法处理程序中的可视变化。
0x0001 the system does not display the critical-error-handler message box. Instead, the system sends the error to the calling process.
系统不显示错误对话框，相反，系统返回错误代码给主调进程。
0x0001 the system does not display the critical-error-handler message box. Instead, the system sends the error to the calling process.
系统不显示错误对话框，相反，系统返回错误代码给主调进程。
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