WPF System.Winodws.Media.Colors

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WpfApp53
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            RenderGrids();
        }

        Grid gd { get; set; }
        Random rnd { get; set; }

        private void RenderGrids()
        {
            gd = new Grid();
            gd.ShowGridLines = true;
            for (int i = 0; i < 12; i++)
            {
                gd.RowDefinitions.Add(new RowDefinition());
            }
            for (int j = 0; j < 12; j++)
            {
                gd.ColumnDefinitions.Add(new ColumnDefinition());
            }
            var pis = typeof(Colors).GetProperties();
            
            rnd = new Random();
            int pisCunt = pis.Count();
            for (int i = 0; i < 12; i++)
            {
                for (int j = 0; j < 12; j++)
                {
                    Border bd = new Border();
                    var cr = (Color)(pis[rnd.Next(0,pisCunt)].GetValue(typeof(Colors)));
                    bd.Background = new SolidColorBrush(cr);
                    Grid.SetRow(bd, i);
                    Grid.SetColumn(bd, j);
                    gd.Children.Add(bd);
                }
            }
            this.Content = gd;
        }

        private void Window_KeyDown(object sender, KeyEventArgs e)
        {
            if(e.Key== Key.Enter)
            {
                RenderGrids();
            }
        }
    }
}