added Main Navigation,

added vendor notes and scripts

HarmonyWinUI/MainWindow.xaml.cs

@@ -1,17 +1,8 @@
+using HarmonyWinUI.Pages;
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
-using Microsoft.UI.Xaml.Controls.Primitives;
-using Microsoft.UI.Xaml.Data;
-using Microsoft.UI.Xaml.Input;
-using Microsoft.UI.Xaml.Media;
-using Microsoft.UI.Xaml.Navigation;
 using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Runtime.InteropServices.WindowsRuntime;
-using Windows.Foundation;
-using Windows.Foundation.Collections;
+using Windows.System; // added
 
 // To learn more about WinUI, the WinUI project structure,
 // and more about our project templates, see: http://aka.ms/winui-project-info.
@@ -26,6 +17,52 @@ namespace HarmonyWinUI
 		public MainWindow()
 		{
 			InitializeComponent();
+
+			// default
+			MainNavigationContentFrame.Navigate(typeof(Dashboard));
+		}
+
+		private async void MainNavigation_SelectionChanged(NavigationView sender, NavigationViewSelectionChangedEventArgs args)
+		{
+			if (args.IsSettingsSelected)
+			{
+				MainNavigationContentFrame.Navigate(typeof(Settings));
+				return;
+			}
+
+			if (args.SelectedItem is not NavigationViewItem item) return;
+
+			switch (item.Tag?.ToString())
+			{
+				case "Dashboard":
+					MainNavigationContentFrame.Navigate(typeof(Dashboard));
+					break;
+
+				case "FavoriteAlbums":
+					MainNavigationContentFrame.Navigate(typeof(FavoriteAlbums));
+					break;
+
+				case "FavoriteTracks":
+					MainNavigationContentFrame.Navigate(typeof(FavoriteTracks));
+					break;
+
+				case "FavoriteArtists":
+					MainNavigationContentFrame.Navigate(typeof(FavoriteArtists));
+					break;
+
+				case "PageDonate":
+					await Launcher.LaunchUriAsync(
+						new Uri("https://www.anycoin.cz/donate/igormino")
+					);
+					break;
+
+				case "PageHomepage":
+					await Launcher.LaunchUriAsync(
+						new Uri("https://harmony.tpsoft.org/")
+					);
+					break;
+			}
 		}
 	}
+
 }