Inserting a tab character into text using C#

Question

I\'m building an application where I should capture several values and build a text with them: Name, Age, etc.

The output will be a plain

Answer 1

string St = String.Format("{0,-20} {1,5:N1}\r", names[ctr], hours[ctr]);
richTextBox1.Text += St;

This works well, but you must have a mono-spaced font.