Embed branding assets in app assembly

AboutWindow.xaml

@@ -28,7 +28,7 @@
                     Background="{DynamicResource AppSurfaceBrush}"
                     HorizontalAlignment="Left"
                     VerticalAlignment="Top">
-                <Image Source="Assets/AboutLogo.png"
+                <Image Source="pack://application:,,,/Assets/AboutLogo.png"
                        Width="74"
                        Height="74"
                        Stretch="UniformToFill"/>

Services/LauncherController.cs

@@ -106,8 +106,22 @@ public sealed class LauncherController : IDisposable
 
     private static Icon LoadTrayIcon()
     {
-        string iconPath = Path.Combine(AppContext.BaseDirectory, "Assets", "TrayIcon.ico");
-        return File.Exists(iconPath) ? new Icon(iconPath) : SystemIcons.Application;
+        try
+        {
+            Uri iconUri = new("pack://application:,,,/Assets/TrayIcon.ico", UriKind.Absolute);
+            System.Windows.Resources.StreamResourceInfo? resource = System.Windows.Application.GetResourceStream(iconUri);
+            if (resource?.Stream is null)
+            {
+                return SystemIcons.Application;
+            }
+
+            using Icon icon = new(resource.Stream);
+            return (Icon)icon.Clone();
+        }
+        catch
+        {
+            return SystemIcons.Application;
+        }
     }
 
     private void LaunchItem(LauncherItem item)

TaskbarLauncher.csproj

@@ -18,8 +18,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <Content Include="Assets\AboutLogo.png" CopyToOutputDirectory="PreserveNewest" />
-    <Content Include="Assets\TrayIcon.ico" CopyToOutputDirectory="PreserveNewest" />
+    <Resource Include="Assets\AboutLogo.png" />
+    <Resource Include="Assets\TrayIcon.ico" />
   </ItemGroup>
 
 </Project>