//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; } } }
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 );