Transparent button for Windows Phone

TransparentButton.cs

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

namespace MyApp.Phone.UI.Controls {
    public class TransparentButton : ContentControl {
        public TransparentButton() {
            HorizontalContentAlignment = HorizontalAlignment.Stretch;
        }

        public override void OnApplyTemplate() {
            var child = Content as Panel;

            if (child != null && child.Background == null) {
                child.Background = new SolidColorBrush(Colors.Transparent);
            }

            base.OnApplyTemplate();
        }
    }
}