Add adding and detail

dealer/windows/MainWindow.xaml.cs

@@ -0,0 +1,46 @@
+using System.Text;
+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 dealer
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        private DataManager dataManager = new DataManager();
+
+        public MainWindow()
+        {
+            InitializeComponent();
+
+            this.dataManager.Load();
+
+            this.VehiclesListView.ItemsSource = this.dataManager.GetAllVehicles();
+        }
+
+        private void AddButton_Click(object sender, RoutedEventArgs e)
+        {
+            var window = new AddVehicleWindow(this.dataManager);
+            window.ShowDialog();
+        }
+
+        private void EditButton_Click(object sender, RoutedEventArgs e)
+        {
+            
+        }
+
+        private void DeleteButton_Click(object sender, RoutedEventArgs e)
+        {
+            
+        }
+    }
+}