Stacked Geometry Brush Factory

using System.Windows;
using System.Collections.ObjectModel;
using StackedGeometry;
using System.Reflection;
using System.IO;

namespace StackedGeometryDesigner
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        private ObservableCollection<IGeometrySource> geometrySources = new ObservableCollection<IGeometrySource>();
        private ObservableCollection<IEffectFactory> effectFactories = new ObservableCollection<IEffectFactory>();

        public MainWindow()
        {
            InitializeComponent();
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            Height = 540;

       

            geometrySources.Clear();
            effectFactories.Clear();

            AttributeReflector ar = new AttributeReflector();
         
            
            ar.ReflectionItems.Add(new AttributeReflectionItem
                                       {
                AssemblyAttribute = typeof(ContainsGeometrySourcesAttribute),
                ClassAttribute = typeof(GeometrySourceAttribute),
                List = geometrySources
            });

            ar.ReflectionItems.Add(new AttributeReflectionItem
                                       {
                AssemblyAttribute = typeof(ContainsEffectFactoriesAttribute),
                ClassAttribute = typeof(EffectFactoryAttribute),
                List = effectFactories
            });
            string currentAssemblyDirectoryName = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);

            ar.Reflect(currentAssemblyDirectoryName, SearchOption.AllDirectories);

            foreach (IGeometrySource gs in geometrySources)
            {
                gs.DesignMode = true;
            }
            foreach (IEffectFactory ef in effectFactories)
            {
                ef.DesignMode = true;
            }
            cmbGeometry.ItemsSource = geometrySources;
            cmbEffectFactory.ItemsSource = effectFactories;
            cmbGeometry.SelectedIndex = 0;
            cmbEffectFactory.SelectedIndex = 0;



            XamlDocumenter doc = (XamlDocumenter)FindResource("StackedDocumenter");
            doc.XamlRun = xamlRun;
            doc.Enabled = false;
        }

        private void DisplayTabs_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
        {
            XamlDocumenter doc = (XamlDocumenter)FindResource("StackedDocumenter");
            if (DisplayTabs.SelectedIndex ==0)
            {
                doc.Enabled = false;
            }else
            {
                doc.Enabled = true;
            }

        }

      
    }
}