Add project files.

WinGreedWPF/MainWindow.xaml.cs

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+using WinGreedWPF.StartupHelpers;
+using System.Windows;
+using WpfLibrary;
+
+namespace WinGreedWPF;
+
+public partial class MainWindow : Window
+{
+    private readonly IDataAccess _dataAccess;
+    private readonly IAbstractFactory<ChildForm> _factory;
+    private readonly IAbstractFactory<ExtraChild> _extraCh;
+
+    public MainWindow(IDataAccess dataAccess, 
+        IAbstractFactory<ChildForm> factory,
+        IAbstractFactory<ExtraChild> extraCh )
+    {
+        InitializeComponent();
+        _dataAccess = dataAccess;
+        _factory = factory;
+        _extraCh = extraCh;
+    }
+
+    private void getData_Click(object sender, RoutedEventArgs e)
+    {
+        data.Text=_dataAccess.GetData();
+    }
+
+    private void openChildForm_Click(object sender, RoutedEventArgs e)
+    {
+        _factory.Create().Show();
+    }
+
+    private void openExtraChildForm_Click(object sender, RoutedEventArgs e)
+    {
+        _extraCh.Create().Show();
+    }
+
+    private void NextPlayer(object sender, RoutedEventArgs e)
+    {
+        MessageBox.Show("Nytt spel");
+    }
+
+    private void NewPlayer(object sender, RoutedEventArgs e)
+    {
+        MessageBox.Show("Ny Spelare");
+        NameField.Visibility = Visibility.Visible;
+    }
+
+    private void NewConfirm(object sender, RoutedEventArgs e)
+    {
+        MessageBox.Show($"Ny Spelare {NameField.Text}");
+        NameField.Visibility = Visibility.Hidden;
+    }
+}