Metodo para grabar texto en un archivo usando C#

public void LogText(string text,bool logDate)
{
 string path = @"C:\texto.log";
 FileStream fs;
 if (!File.Exists(path))
   fs=File.Open(path,FileMode.Create,FileAccess.Write);
 else
   fs = File.Open(path, FileMode.Append, FileAccess.Write);
 using (var outfile =new StreamWriter(fs,Encoding.UTF8))
 {
   string logLine = string.Empty;
   if (logDate)
    logLine = String.Format("{0:G} - {1}.", System.DateTime.Now, text);
   else
    logLine = text;
   outfile.WriteLine(logLine);
 }
 fs.Close();
}