internal static extern int RasEnumConnections ( ref RASCONN lprasconn, // buffer to receive connections data ref int lpcb, // size in bytes of buffer ref int lpcConnections // number of connections written to buffer );
//RasStats status = new RasStats(); public RASDisplay() { m_connected = true; RAS lpras = new RAS(); RASCONN lprasConn = new RASCONN(); lprasConn.dwSize = Marshal.SizeOf(typeof(RASCONN)); lprasConn.hrasconn = IntPtr.Zero; int lpcb = 0; int lpcConnections = 0; int nRet = 0; lpcb = Marshal.SizeOf(typeof(RASCONN)); nRet = RAS.RasEnumConnections(ref lprasConn, ref lpcb, ref lpcConnections); if (nRet != 0) { m_connected = false; return; } if (lpcConnections > 0) { //for (int i = 0; i < lpcConnections; i++) //{ RasStats stats = new RasStats(); m_ConnectedRasHandle = lprasConn.hrasconn; //RAS.RasGetConnectionStatistics(lprasConn.hrasconn, stats); m_ConnectionName = lprasConn.szEntryName; //int Hours = 0; //int Minutes = 0; //int Seconds = 0; //Hours = ((stats.dwConnectionDuration / 1000) / 3600); //Minutes = ((stats.dwConnectionDuration / 1000) / 60) - (Hours * 60); //Seconds = ((stats.dwConnectionDuration / 1000)) - (Minutes * 60) - (Hours * 3600); //m_duration = Hours + " hours " + Minutes + " minutes " + Seconds + " secs"; //m_TX = stats.dwBytesXmited; //m_RX = stats.dwBytesRcved; //} } else { m_connected = false; } int lpNames = 1; int entryNameSize = 0; int lpSize = 0; RasEntryName[] names = null; entryNameSize = Marshal.SizeOf(typeof(RasEntryName)); lpSize = lpNames * entryNameSize; names = new RasEntryName[lpNames]; names[0].dwSize = entryNameSize; uint retval = RAS.RasEnumEntries(null, null, names, ref lpSize, out lpNames); //if we have more than one connection, we need to do it again if (lpNames > 1) { names = new RasEntryName[lpNames]; for (int i = 0; i < names.Length; i++) { names[i].dwSize = entryNameSize; } retval = RAS.RasEnumEntries(null, null, names, ref lpSize, out lpNames); } m_ConnectionNames = new string[names.Length]; if (lpNames > 0) { for (int i = 0; i < names.Length; i++) { m_ConnectionNames[i] = names[i].szEntryName; } } }