Adding .ico (#1216)

* Add icon

* Remove unused code

Author: niels9001

WinUIGallery/Assets/Tiles/GalleryIcon.ico

@@ -8,8 +8,12 @@
 //
 //*********************************************************
 
+using Microsoft.UI;
+using Microsoft.UI.Windowing;
 using Microsoft.UI.Xaml;
+using System;
 using System.Collections.Generic;
+using WinRT.Interop;
 
 namespace AppUIBasics.Helper
 {
@@ -35,6 +39,13 @@ static public void TrackWindow(Window window)
             _activeWindows.Add(window);
         }
 
+        static public AppWindow GetAppWindow(Window window)
+        {
+            IntPtr hWnd = WindowNative.GetWindowHandle(window);
+            WindowId wndId = Win32Interop.GetWindowIdFromWindow(hWnd);
+            return AppWindow.GetFromWindowId(wndId);
+        }
+
         static public Window GetWindowForElement(UIElement element)
         {
             if (element.XamlRoot != null)

WinUIGallery/Helper/WindowHelper.cs

@@ -17,6 +17,7 @@
 using AppUIBasics.Data;
 using AppUIBasics.Helper;
 using Microsoft.UI.Dispatching;
+using Microsoft.UI.Windowing;
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Automation;
 using Microsoft.UI.Xaml.Controls;
@@ -92,10 +93,14 @@ public NavigationRootPage()
             Loaded += delegate (object sender, RoutedEventArgs e)
             {
                 NavigationOrientationHelper.UpdateTitleBarForElement(NavigationOrientationHelper.IsLeftMode(), this);
-                WindowHelper.GetWindowForElement(this).Title = AppTitleText;
-                var window = WindowHelper.GetWindowForElement(sender as UIElement);
+
+                Window window = WindowHelper.GetWindowForElement(sender as UIElement);
+                window.Title = AppTitleText;
                 window.ExtendsContentIntoTitleBar = true;
                 window.SetTitleBar(this.AppTitleBar);
+
+                AppWindow appWindow = WindowHelper.GetAppWindow(window);
+                appWindow.SetIcon("Assets/Tiles/GalleryIcon.ico");
             };
 
             NavigationViewControl.RegisterPropertyChangedCallback(NavigationView.PaneDisplayModeProperty, new DependencyPropertyChangedCallback(OnPaneDisplayModeChanged));

WinUIGallery/Navigation/NavigationRootPage.xaml.cs

@@ -85,6 +85,7 @@
     <Content Remove="@(Content)" />
   </ItemGroup>
   <ItemGroup>
+    <None Remove="Assets\Tiles\GalleryIcon.ico" />
     <None Remove="ControlPagesSampleCode\Typography\TypographySample_xaml.txt" />
     <None Remove="ControlPages\DesignGuidance\ColorsPage.xaml" />
     <None Remove="ControlPages\LinePage.xaml" />
@@ -107,6 +108,7 @@
     <Content Include="Assets\HomeHeaderTiles\Header-Toolkit.png" />
     <Content Include="Assets\HomeHeaderTiles\Header-WindowsDesign.png" />
     <Content Include="Assets\HomeHeaderTiles\Header-WinUIGallery.png" />
+    <Content Include="Assets\Tiles\GalleryIcon.ico" />
     <Content Include="Assets\Tiles\SmallTile-sdk.altform-lightunplated_targetsize-16.png" />
     <Content Include="Assets\Tiles\SmallTile-sdk.altform-lightunplated_targetsize-24.png" />
     <Content Include="Assets\Tiles\SmallTile-sdk.altform-lightunplated_targetsize-256.png" />