Development Class C#

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
public class Logger
{
    public static void WriteLog(string message)
    {
        string logText = string.Format("{0}\t{1}", DateTime.Now, message);
        string logPath = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + @"\QReminder\log.txt";
        using (StreamWriter sw = new StreamWriter(logPath, true))
        {
            sw.WriteLine(logText);
            sw.Close();
        }
    }
}