本程序很简单，但是我觉得很有借鉴意义。 首先关于timer的事件，application的处理消息。大家只需要打开，点击便可以运行。程序员路上诸多阻难，我们携手共进 -This procedure is very simple, but I felt a great reference. First of all the events on the timer, application of the process the message. We only need to open, c