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 );
public RasDisplay() { _mConnected = true; 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 = RasEnumConnections(ref lprasConn, ref lpcb, ref lpcConnections); if (nRet != 0) { _mConnected = false; return; } if (lpcConnections > 0) { //for (int i = 0; i < lpcConnections; i++) //{ RasStats stats = new RasStats(); _mConnectedRasHandle = lprasConn.Hrasconn; RasGetConnectionStatistics(lprasConn.Hrasconn, stats); _mConnectionName = lprasConn.SzEntryName; var hours = ((stats.dwConnectionDuration / 1000) / 3600); var minutes = ((stats.dwConnectionDuration / 1000) / 60) - (hours * 60); var seconds = ((stats.dwConnectionDuration / 1000)) - (minutes * 60) - (hours * 3600); _mDuration = hours + " hours " + minutes + " minutes " + seconds + " secs"; _mTx = stats.dwBytesXmited; _mRx = stats.dwBytesRcved; //} } else { _mConnected = false; } int lpNames = 1; var 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 = 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 = RasEnumEntries(null, null, names, ref lpSize, out lpNames); } _mConnectionNames = new string[names.Length]; if (lpNames > 0) { for (int i = 0; i < names.Length; i++) { _mConnectionNames[i] = names[i].szEntryName; } } }
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 );