How to set TextBox cursor on the rigth corner of the TextBox

Question

How to set TextBox cursor on the right corner of the TextBox .

While there's a Text inside the TextBox

Answer 1

You can use HorizontalContentAlignment property:

<TextBox HorizontalContentAlignment="Right" VerticalAlignment="Top"/>

The result:

Answer 2

If you want to set the Caret position, you have to play with CaretIndex property,for example:

<TextBox Text="Username" CaretIndex="0"/>;

But as @NicoRiff says in a comment, what you probably want is a PlaceHolder. If that's the case, see this question