using System;

using System.IO;

using System.Text;

public class Program

{

    public static void Main()

    {

        var a = new StaticStream();

        var b = new StaticStream();  //simulate a new thread

        a.SetStream("this is a test");

        a.Dispose();

        b.Dispose();

    }

    public class StaticStream

    {

        public static MemoryStream SharedStream {get;set;}

        public void SetStream(string input)

        {

            SharedStream = new MemoryStream(Encoding.ASCII.GetBytes(input));

        }

        public string GetStream()

        {

            var reader = new StreamReader(SharedStream);

            var streamValue = reader.ReadToEnd();

            reader.Dispose();

            return streamValue;

        }

        public void Dispose()

        {

            Console.WriteLine("Disposing"); 

            SharedStream.Dispose();

        }

    }

}