How to force XAML to use a static variable for Binding?

Question

WPF

XAML C#
<TextBox Text="{Binding ClassG.TText ></TextBox>

public static class ClassG
  {
    public static string TText = "Tex";

Answer 1

<TextBox Text="{x:Static local:ClassG.TText ></TextBox>

local must be added to the list of used namespaces: xmlns:local=...