[DllImport(
"
wininet.dll
"
)]
private extern static bool InternetGetConnectedState( out int connectionDescription, int reservedValue);
private bool IsConnected()
{
int I = 0 ;
bool state = InternetGetConnectedState( out I, 0 );
return state;
}
private extern static bool InternetGetConnectedState( out int connectionDescription, int reservedValue);
private bool IsConnected()
{
int I = 0 ;
bool state = InternetGetConnectedState( out I, 0 );
return state;
}
调用方法：
bool
state
=
IsConnected();
//
True 为连通 False 为断开
