WPF BindingOperations.SetBinding

private void InitImg()
{
    Image img = new Image();
    Binding imgSourceBinding = new Binding("ImgUrl");
    imgSourceBinding.Mode = BindingMode.TwoWay;
    BindingOperations.SetBinding(img, Image.SourceProperty, imgSourceBinding);
    ImgUrl = imgsList[imgIdx];
    this.Content = img;
}