public void Show(long imageId, string imageUrl)
        {
            id = imageId;

            root = new RootElement("Spiffy Dialog View Controller Demo")
            {
                new Section()
                {
                    new MultilineElement(string.Format("This is a Spiffy Dialog View Controller with a cool background. Loaded from {0}", imageUrl))
                }
            };

            imgBG = ImageStore.RequestImage(imageId, imageUrl, this);

            if (imgBG != null)
            {
                ShowMe(root, imgBG);
            }
        }