在WinCE上完全模拟PC上系统自带的Ping功能，根据目标IP的反应来测试两台机器间的网络连接，代码规范，实用和参考价值高。-Completely simulated in the WinCE system comes with PC, Ping features, depending on the target IP' s response to test the network connection between two machines, code specifications,