public static void DiconnectConnection(DialupConnectInfo dialupConnectInfo)
{
if (dialupConnectInfo != null)
{
throw new ArgumentNullException("dialupConnectInfo");
}
int flags = 0;
InternetGetConnectedState(ref flags, 0);
if (!((flags & INTERNET_RAS_INSTALLED) == INTERNET_RAS_INSTALLED))
{
throw new NotSupportedException();
}
if (dialupConnectInfo.Handle != IntPtr.Zero)
{
RasHangUp(dialupConnectInfo.Handle);
}
}
private static DialupConnectInfo[] getConnectedDialupInfoWinXP()
{
RASCONN_XP[] lprasConn = new[] { new RASCONN_XP() };
lprasConn[0].dwSize = Marshal.SizeOf(typeof(RASCONN_XP));
lprasConn[0].hrasconn = IntPtr.Zero;
int lpcb = 0;
int lpcConnections = 0;
int nRet = 0;
lpcb = Marshal.SizeOf(typeof(RASCONN_XP));
nRet = RasEnumConnections_XP(lprasConn, ref lpcb, ref lpcConnections);
if (nRet != 0 && lpcConnections <= 0)
{
//throw new Exception(nRet.ToString());
return(null);
}
if (lpcConnections <= 0)
{
return(null);
}
lprasConn = new RASCONN_XP[lpcConnections];
for (int i = 0; i < lpcConnections; i++)
{
lprasConn[i].dwSize = lpcb;
}
nRet = RasEnumConnections_XP(lprasConn, ref lpcb, ref lpcConnections);
if (nRet != 0 && lpcConnections <= 0)
{
//throw new Exception(nRet.ToString());
return(null);
}
var infoList = new DialupConnectInfo[lpcConnections];
for (int i = 0; i < lpcConnections; i++)
{
var status = new RasStats();
status.dwSize = Marshal.SizeOf(typeof(RasStats));
var newRet = RasGetConnectionStatistics(lprasConn[i].hrasconn, ref status);
if (newRet != 0)
{
//throw new Exception(newRet.ToString());
return(null);
}
int hours = 0;
int minutes = 0;
int seconds = 0;
hours = ((status.dwConnectionDuration / 1000) / 3600);
minutes = ((status.dwConnectionDuration / 1000) / 60) - (hours * 60);
seconds = ((status.dwConnectionDuration / 1000)) - (minutes * 60) - (hours * 3600);
var name = Encoding.Default.GetString(lprasConn[i].szEntryNameBytes).TrimEnd('\0');
var deviceName = Encoding.Default.GetString(lprasConn[i].szDeviceName).TrimEnd('\0');
infoList[i] = new DialupConnectInfo(name, 0, deviceName, new TimeSpan(hours, minutes, seconds), lprasConn[i].hrasconn);;
}
return(infoList);
}
