public TextboxTraceListener(DebugRichTextbox output, string name, Color debugColor, Color traceColor)
 {
     this.Name       = name;
     this.output     = output;
     this.debugColor = debugColor;
     this.traceColor = traceColor;
 }
 public TextboxTraceListener(DebugRichTextbox output) : this(output, "RichTextboxTraceListener", Color.Black, Color.Black)
 {
 }