//MoveNextPage
        private void MoveNextPage()
        {
            switch (index)
            {
            case 1:
                ContentTransition.ShowContent(admin_guide);
                img4.Source = bitmap_image;
                img1.Source = bitmap_image_focus;
                index++;
                break;

            case 2:
                ContentTransition.ShowContent(inventory_guide);
                img1.Source = bitmap_image;
                img2.Source = bitmap_image_focus;
                index++;
                break;

            case 3:
                ContentTransition.ShowContent(report_guide);
                img2.Source = bitmap_image;
                img3.Source = bitmap_image_focus;
                index++;
                break;

            case 4:
                ContentTransition.ShowContent(change_info_guide);
                img3.Source = bitmap_image;
                img4.Source = bitmap_image_focus;
                index       = 1;
                break;
            }
        }
 //FirstTimeLoginGuide
 public FirstTimeLoginGuide()
 {
     InitializeComponent();
     img1.Source       = bitmap_image;
     img2.Source       = bitmap_image;
     img3.Source       = bitmap_image;
     img4.Source       = bitmap_image;
     admin_guide       = new AdminGuide();
     inventory_guide   = new InventoryGuide();
     report_guide      = new ReportGuide();
     change_info_guide = new ChangeInfo();
     ContentTransition.ShowContent(admin_guide);
     index++;
     img1.Source = bitmap_image_focus;
 }