说明：  Delphi源码,网络相关,Ping,可视化 　　使用Delphi创建可视化的PING命令窗口，在DOS方式，利用Ping命令我们可以方便的知道网络连接状态，这里我们在Windows下实现同样的功能。输入网址，配置好循环时间和超时时间，程序可以定时对网址进行Ping操作，并返回操作结果
(Delphi source code, network-related, the Ping, the visualization to use Delphi to create a visualization of the PING command window, use the Ping command in DOS mode, we can know the network connection status, here we perform the same function in Windows. Enter the URL configured cycle time and timeout Ping the program can be timed to the web site, and return the result of the operation)