public class TestArgs
    {
        public TestArgs()
        {
            this.ArgTime=DateTime.Now;
        }

        private string _argName;
        private DateTime _argTime;

        public string ArgName
        {
            get { return _argName; }
            set { _argName = UpdateName(value); }
        }

        public DateTime ArgTime
        {
            get { return _argTime; }
            set { _argTime = value; }
        }

        private void UpdateName(string name)
        {
            return name + "[args]";
        }
    }

    public class TestArgsSessionA
    {
        public TestArgsSessionA()
        {
            this.TestArysInfo = new TestArgs();
        }

        private TestArgs _testArysInfo;
        private int _argState;
        private int _aryCount;


        public TestArgs TestArysInfo
        {
            get { return _testArysInfo; }
            set { _testArysInfo = value; }
        }

        public int ArgState
        {
            get { return _argState; }
            set { _argState = value; }
        }

        public int AryCount
        {
            get { return _aryCount; }
            set { _aryCount = value; }
        }
        
    }

    public class TestArgsSessionB : TestArgs
    {
        
        private int _argState;
        private int _aryCount;

        public int ArgState
        {
            get { return _argState; }
            set { _argState = value; }
        }

        public int AryCount
        {
            get { return _aryCount; }
            set { _aryCount = value; }
        }

    }