Delphi检测网络状态，检测你的电脑是否已经连接Internet，网络状态通断情况，判断网络是否连接的小例子，窗体界面如截图所示，比较基础了。

-Delphi detect network status, detect whether your computer is connected Internet, network status-off case, a small example to determine whether the network connection, form interface as shown in the screenshot, the basis of comparison.