WPF endgültiv vorbereitet

GuiWPF/App.xaml

@@ -2,7 +2,7 @@
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:local="clr-namespace:GuiWPF"
-             StartupUri="MainWindow.xaml">
+            >
     <Application.Resources>
          
     </Application.Resources>

GuiWPF/App.xaml.cs

@@ -13,5 +13,11 @@ namespace GuiWPF
     /// </summary>
     public partial class App : Application
     {
+        protected override void OnStartup(StartupEventArgs e)
+        {
+            base.OnStartup(e);
+            var window = new MainWindow() { DataContext = new MainWindowViewModel() };
+            window.Show();
+        }
     }
 }

GuiWPF/HomePageViewModel.cs

@@ -19,7 +19,7 @@ namespace GuiWPF
             set
             {
                 this.Model.PageTitle = value;
-                this.OnPropertyChanged("PageTitle");
+                this.OnPropertyChanged();
             }
         }
     }

GuiWPF/MainWindow.xaml.cs

@@ -23,7 +23,6 @@ namespace GuiWPF
         public MainWindow()
         {
             InitializeComponent();
-            this.DataContext = new MainWindowViewModel();
         }
     }
 }

GuiWPF/MainWindowViewModel.cs

@@ -19,7 +19,7 @@ namespace GuiWPF
             set
             {
                 _currentViewModel = value;
-                OnPropertyChanged("CurrentViewModel");
+                OnPropertyChanged();
             }
         }
 

GuiWPF/SettingsPageViewModel.cs

@@ -19,7 +19,7 @@ namespace GuiWPF
             set
             {
                 this.Model.PageTitle = value;
-                this.OnPropertyChanged("PageTitle");
+                this.OnPropertyChanged();
             }
         }
     }

GuiWPF/ViewModelBase.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Linq;
+using System.Runtime.CompilerServices;
 using System.Text;
 using System.Threading.Tasks;
 
@@ -10,7 +11,7 @@ namespace GuiWPF
     public abstract class ViewModelBase : INotifyPropertyChanged
     {
         public event PropertyChangedEventHandler PropertyChanged;
-        protected void OnPropertyChanged(string propertyName)
+        protected void OnPropertyChanged([CallerMemberName]string propertyName = "")
         {
             this.OnPropertyChanged(new PropertyChangedEventArgs(propertyName));
         }