Add Colored Text To RichTextBox

You can add this function to display colored text in a richtextbox! [Just Append With that Function]

        private void AddTextToRTB(RichTextBox rtb, string txt, Color col)
        {
            int pos = rtb.TextLength;
            rtb.AppendText(txt);
            rtb.Select(pos, txt.Length);
            rtb.SelectionColor = col;
            rtb.Select();
            rtb.DeselectAll();
        }