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ListBox of Color Values

using System; using System.Reflection; using System.Windows; using System.Windows.Input; using System.Windows.Controls; using System.Windows.Media;     class ListColorValues : Window     {         [STAThread]         public static void Main()         {             Application app = new Application();             app.Run(new ListColorValues());         }         public ListColorValues()         {             ListBox lstbox = new ListBox();             lstbox.Width = 150;             lstbox.Height = 150;             lstbox.SelectionChanged += ListBoxOnSelectionChanged;             Content = lstbox;             PropertyInfo[] props = typeof(Colors).GetProperties();             foreach (PropertyInfo prop in props)                 lstbox.Items.Add(prop.GetValue(null, null));         }         void ListBoxOnSelectionChanged(object sender,SelectionChangedEventArgs args)         {             ListBox lstbox = sender as ListBox;             if (lstbox.SelectedIndex != -1)             {                 Color clr = (Color)lstbox.SelectedItem;                 Background = new SolidColorBrush(clr);             }         }     }