using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;
using?System.Net.NetworkInformation;
using?System.Net.Sockets;
using?System.Net;
using?System.Runtime.InteropServices;
namespace?監測當前網絡連接狀態
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}
????????[DllImport（“wininet.dll“?EntryPoint?=?“InternetGetConnectedState“）]
????????public?extern?static?bool?InternetGetConnectedState（out?int?conState?int?reder）;
????????//參數說明?constate?連接說明?，reder保留值
????????public?bool?IsConnectedToInternet（）
????????{
????????????int?Desc=0;
????????????return?InternetGetConnectedSta

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-12-07?22:39??監測當前網絡連接狀態\
?????文件????????4150??2009-02-16?13:47??監測當前網絡連接狀態\1.bmp
?????文件????????1385??2011-12-07?22:40??監測當前網絡連接狀態\Form1.cs
?????文件????????4738??2009-02-16?13:48??監測當前網絡連接狀態\Form1.designer.cs
?????文件????????5814??2009-02-16?13:48??監測當前網絡連接狀態\Form1.resx
?????文件?????????511??2009-02-16?13:45??監測當前網絡連接狀態\Program.cs
?????目錄???????????0??2011-12-03?21:08??監測當前網絡連接狀態\Properties\
?????文件????????1392??2009-02-16?13:45??監測當前網絡連接狀態\Properties\AssemblyInfo.cs
?????文件????????3126??2009-02-16?13:48??監測當前網絡連接狀態\Properties\Resources.Designer.cs
?????文件????????6179??2009-02-16?13:48??監測當前網絡連接狀態\Properties\Resources.resx
?????文件????????1115??2009-02-16?13:45??監測當前網絡連接狀態\Properties\Settings.Designer.cs
?????文件?????????249??2009-02-16?13:45??監測當前網絡連接狀態\Properties\Settings.settings
?????文件????????3907??2009-02-16?13:48??監測當前網絡連接狀態\監測當前網絡連接狀態.csproj
?????文件?????????949??2009-02-16?13:45??監測當前網絡連接狀態\監測當前網絡連接狀態.sln
?????文件???????17408??2009-02-18?10:42??監測當前網絡連接狀態\監測當前網絡連接狀態.suo