Add project files.

Views/MainWindow.xaml.cs

@@ -0,0 +1,59 @@
+using MVVM_DEMO.Models;
+using MVVM_DEMO.ViewModels;
+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 MVVM_DEMO
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        MainViewModel viewModel = new MainViewModel();
+
+        public MainWindow()
+        {
+            InitializeComponent();
+            this.DataContext = viewModel;
+            comboBox.SelectionChanged += ComboBox_SelectionChanged;
+            // initial selection
+            if (comboBox.Items.Count > 0)
+            {
+                comboBox.SelectedIndex = 0;
+            }
+        }
+
+        private void ComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            // display selected product details
+            if (comboBox.SelectedItem != null)
+            {
+                viewModel.productName= ((Product)comboBox.SelectedItem).ProductName;
+                viewModel.productPrice = (int)((Product)comboBox.SelectedItem).Price;
+                viewModel.OnPropertyChanged("productName");
+                viewModel.OnPropertyChanged("productPrice");
+            }
+
+        }
+
+        private void btnAddProduct_Click(object sender, RoutedEventArgs e)
+        {
+            // toevoegen van een product in het viewmodel
+            Product p = new Product();
+            p.ProductName = $"Product {viewModel.Products.Count + 1}";
+            // generate a random price between 10 and 100
+            Random rand = new Random();
+            p.Price = rand.Next(10, 100);
+            viewModel.Products.Add(p);
+        }
+    }
+}