日期:2014-05-20 浏览次数:21133 次
[DllImport("wininet")]
private extern static bool InternetGetConnectedState(out int connectionDescription, int reservedValue);
int i = 0;
if (InternetGetConnectedState(out i, 0))
{
MessageBox.Show("联网状态");
}
else
{
MessageBox.Show("你网线掉了啦");
}