filewatcher/code/src/EventRaisingStreamWriter.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace FileWatcher
{
    public class EventRaisingStreamWriter : StreamWriter
    {
        public event EventHandler<MyEvtArgs<string>> StringWritten;

        public EventRaisingStreamWriter(Stream s)
            : base(s)
        {
        }

        private void LaunchEvent(string txtWritten)
        {
            if (StringWritten != null)
            {
                StringWritten(this, new MyEvtArgs<string>(txtWritten));
            }
        }

        public override void Write(string value)
        {
            base.Write(value);
            LaunchEvent(value);
        }
        public override void Write(bool value)
        {
            base.Write(value);
            LaunchEvent(value.ToString());
        }
    }
}