精简manifest引用，自定义titlebar

MainWindow.xaml

@@ -4,15 +4,23 @@
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-    xmlns:local="using:MyApp"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:winex="using:WinUIEx"
+    Title="MainWindow"
     mc:Ignorable="d">
     <Window.SystemBackdrop>
         <MicaBackdrop />
     </Window.SystemBackdrop>
-    <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
-        <TextBlock>Pure WinUI3</TextBlock>
-        <TextBlock>None</TextBlock>
-    </StackPanel>
+
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+        <TitleBar x:Name="AppTitleBar" Title="{x:Bind Title}">
+            <TitleBar.IconSource>
+                <ImageIconSource ImageSource="/Assets/Logo/app_64.png" />
+            </TitleBar.IconSource>
+        </TitleBar>
+    </Grid>
 </winex:WindowEx>