public static void CreateLogMessage(this RichTextBox box, String LogMessage, MessageClass Class) { String preffix = DateTime.Now.GenerateTimeStampFormat() + Class.GenerateString() + ": "; LogMessage = preffix + LogMessage; box.SelectionStart = box.Text.Length; box.SelectionColor = Class.GetMessageClassColor(); box.AppendText(LogMessage); box.SelectionColor = box.ForeColor; }