WPF

public partial class _ColorPicker
   {        
        private readonly DependencyProperty IsCurrentColorProperty;       

        public _ColorPicker()
	{
	        this.InitializeComponent();            

                IsCurrentColorProperty = DependencyProperty.Register(
                "IsCurrentColor", typeof(Color), typeof(_ColorPicker),
                new FrameworkPropertyMetadata(Color.FromRgb(255, 255, 255),
                new PropertyChangedCallback(OnIsCurrentColorChanged)));
        }
        private void OnIsCurrentColorChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
        {
            SetColorInfos((Color)e.NewValue);
            _currentColor.Background = new SolidColorBrush((Color)e.NewValue);
            //RaiseEvent(new RoutedEventArgs(this.iCurrentColorChangedEvent, (Color)e.NewValue));
        }
   }

public Album()
		{
			this.PicturesLeft = new ObservableCollection<picture>();
            this.PicturesRight = new ObservableCollection<picture>();

            this.PicturesLeft.Add(new Picture(new Uri("Images\\2moons_2.gif", UriKind.Relative), "Saturn", "Saturn is the most distant of the five planets known to ancient stargazers."));
            this.PicturesLeft.Add(new Picture(new Uri("Images\\earglobe.gif", UriKind.Relative), "Earth", "Earth, our home planet, is the only planet in our solar system known to harbor life."));
            this.PicturesLeft.Add(new Picture(new Uri("Images\\jupglobe.gif", UriKind.Relative), "Jupiter", "With its numerous moons and several rings, the Jupiter system is a \"mini-solar system.\""));
            this.PicturesLeft.Add(new Picture(new Uri("Images\\marglobe.gif", UriKind.Relative), "Mars", "The red planet Mars has inspired wild flights of imagination over the centuries."));
            this.PicturesLeft.Add(new Picture(new Uri("Images\\merglobe.gif", UriKind.Relative), "Mercury", "The small and rocky planet Mercury is the closest planet to the Sun."));
            this.PicturesLeft.Add(new Picture(new Uri("Images\\nepglobe.gif", UriKind.Relative), "Neptune", "Neptune was the first planet located through mathematical predictions."));
            this.PicturesLeft.Add(new Picture(new Uri("Images\\plutoch_2.gif", UriKind.Relative), "Pluto", "Long considered to be the smallest, coldest, and most distant planet from the Sun."));
            this.PicturesLeft.Add(new Picture(new Uri("Images\\uraglobe.gif", UriKind.Relative), "Uranus", "Uranus gets its blue-green color from methane gas above the deeper cloud layers."));
            this.PicturesLeft.Add(new Picture(new Uri("Images\\venglobe.gif", UriKind.Relative), "Venus", "At first glance, if Earth had a twin, it would be Venus."));

            int i;

            for (i = 0; i <= 3; i++) 
            {    
                this.PicturesRight.Add(new Picture(new Uri("Images\\2moons_2.gif", UriKind.Relative), "Saturn", "Saturn is the most distant of the five planets known to ancient stargazers."));
                this.PicturesRight.Add(new Picture(new Uri("Images\\earglobe.gif", UriKind.Relative), "Earth", "Earth, our home planet, is the only planet in our solar system known to harbor life."));
                this.PicturesRight.Add(new Picture(new Uri("Images\\jupglobe.gif", UriKind.Relative), "Jupiter", "With its numerous moons and several rings, the Jupiter system is a \"mini-solar system.\""));
                this.PicturesRight.Add(new Picture(new Uri("Images\\marglobe.gif", UriKind.Relative), "Mars", "The red planet Mars has inspired wild flights of imagination over the centuries."));
                this.PicturesRight.Add(new Picture(new Uri("Images\\merglobe.gif", UriKind.Relative), "Mercury", "The small and rocky planet Mercury is the closest planet to the Sun."));
                this.PicturesRight.Add(new Picture(new Uri("Images\\nepglobe.gif", UriKind.Relative), "Neptune", "Neptune was the first planet located through mathematical predictions."));
                this.PicturesRight.Add(new Picture(new Uri("Images\\plutoch_2.gif", UriKind.Relative), "Pluto", "Long considered to be the smallest, coldest, and most distant planet from the Sun."));
                this.PicturesRight.Add(new Picture(new Uri("Images\\uraglobe.gif", UriKind.Relative), "Uranus", "Uranus gets its blue-green color from methane gas above the deeper cloud layers."));
                this.PicturesRight.Add(new Picture(new Uri("Images\\venglobe.gif", UriKind.Relative), "Venus", "At first glance, if Earth had a twin, it would be Venus."));
            }     
		           
		}
</picture></picture>

var firstContainer = itemsControl.ItemContainerGenerator.ContainerFromIndex(0);