WPF TextBlock that is centered inside given rectangle in Canvas

CenteredTextBlock.cs

using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;

class CenteredTextBlock: Grid
{
    private TextBlock textBlock = new TextBlock
    {
        HorizontalAlignment = HorizontalAlignment.Center,
        VerticalAlignment = VerticalAlignment.Center,
    };

    public string Text
    {
        get { return textBlock.Text; }
        set { textBlock.Text = value; }
    }

    public Brush Foreground
    {
        get { return textBlock.Foreground; }
        set { textBlock.Foreground = value; }
    }

    public double FontSize
    {
        get { return textBlock.FontSize; }
        set { textBlock.FontSize = value; }
    }

    public CenteredTextBlock()
    {
        Children.Add(textBlock);
    }
}