Development Class C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
class Utility
{
    private static bool _debugLogging = false;
    internal static void LogMessage(string message)
    {
        if (_debugLogging == false)
            return;
        DateTime dt = DateTime.Now;
        String filePath = Path.Combine(Path.GetTempPath(), "TeamDeploy" + dt.ToString("yyyyMMdd") + ".log");
        if (!File.Exists(filePath))
        {
            FileStream fs = File.Create(filePath);
            fs.Close();
        }
        try
        {
            StreamWriter sw = File.AppendText(filePath);
            sw.WriteLine(dt.ToString("hh:mm:ss") + "|" + message);
            sw.Flush();
            sw.Close();
        }
        catch (Exception)
        {
            throw;
        }
    }
}