RÉCUPÉRER LE NOM DU PC CONNECTÉ À UN SERVEUR EN TERMINAL SERVER (RDP)

        enum WTS_INFO_CLASS
        {
            WTSInitialProgram = 0,
            WTSApplicationName = 1,
            WTSWorkingDirectory = 2,
            WTSOEMId = 3,
            WTSSessionId = 4,
            WTSUserName = 5,
            WTSWinStationName = 6,
            WTSDomainName = 7,
            WTSConnectState = 8,
            WTSClientBuildNumber = 9,
            WTSClientName = 10,
            WTSClientDirectory = 11,
            WTSClientProductId = 12,
            WTSClientHardwareId = 13,
            WTSClientAddress = 14,
            WTSClientDisplay = 15,
            WTSClientProtocolType = 16,
            WTSIdleTime = 17,
            WTSLogonTime = 18,
            WTSIncomingBytes = 19,
            WTSOutgoingBytes = 20,
            WTSIncomingFrames = 21,
            WTSOutgoingFrames = 22,
        };

        [DllImport("wtsapi32")]
        static extern void WTSFreeMemory(IntPtr memory);

        [DllImport("wtsapi32", CharSet=CharSet.Auto)]
        static extern Boolean WTSQuerySessionInformation(IntPtr hServer, Int32 SessionId,
            WTS_INFO_CLASS InfoClass, ref IntPtr ppBuffer, ref Int32 pCount);

        public String fnGetClientName()
        {
            String R = "";
            IntPtr Buffer = IntPtr.Zero;
            try
            {
                int bytesReturned=0;
                Boolean sessionInfo = WTSQuerySessionInformation(IntPtr.Zero, -1,
                    WTS_INFO_CLASS.WTSClientName, ref Buffer, ref bytesReturned);
                R = System.Runtime.InteropServices.Marshal.PtrToStringAuto(Buffer);
            }
            catch 
            {
            }
            finally
            {
                try
                {
                    WTSFreeMemory(Buffer);
                    Buffer = IntPtr.Zero;
                }
                catch 
                {
                }//end Try
            }//end Try
            return R;
        }//End Function