public void Debug(string str)
{
StreamWriter writer;
if (File.Exists("debug.txt"))
writer = File.AppendText("debug.txt");
else
writer = new StreamWriter(File.Create("debug.txt"));
writer.WriteLine("[" + this.GetType().Name + " - " + DateTime.Now.ToString() + "] " + str);
writer.Close();
writer.Dispose();
}