using System;
using System.Text;
using System.IO;
using System.Windows.Forms;

namespace go01
{
        public class TextBoxStreamWriter : TextWriter
        {
            RichTextBox _output = null;

            public TextBoxStreamWriter(RichTextBox output)
            {
                _output = output;
            }

            public override void Write(char value)
            {
                base.Write(value);
                _output.AppendText(value.ToString().Replace('\n', ' '));

            }

            public override Encoding Encoding
            {
                get { return System.Text.Encoding.UTF8; }
            }
        }
}