摘要：
using System.Runtime.InteropServices;[DllImport("wininet.dll")] private extern static bool InternetGetConnectedState(out int connectionDescription, int reservedValue); private static bool IsCo... 阅读全文
posted @ 2006-08-03 10:08 天天在线 阅读(493) 评论(0) 推荐(0) 编辑