WPF

public class RequestState : IAsyncResult
    {

        private HttpWebRequest myRequest = null;

        public HttpWebRequest Request
        {
            get { return myRequest; }
            set { myRequest = value; }
        }


        private HttpWebResponse myResponse = null;

        public HttpWebResponse Response
        {
            get { return myResponse; }
            set { myResponse = value; }
        }


        private Stream myStream = null;

        public Stream StreamResponse
        {
            get { return myStream; }
            set { myStream = value; }
        }

        private byte[] ReadBuffer = new byte[1024];

        public byte[] ReBuffer
        {
            get { return ReadBuffer; }
            set { ReadBuffer = value; }
        }

        private StringBuilder myStringBuilder = new StringBuilder();

        public StringBuilder RequestData
        {
            get { return myStringBuilder; }
            set { myStringBuilder = value; }
        
        }
    }