chore: Use light theme by default

Author: MartinZikmund

UI/WindowingSamples/WindowingSamples/App.xaml

@@ -1,8 +1,9 @@
-<Application x:Class="WindowingSamples.App"
+<Application x:Class="WindowingSamples.App"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:wasm="http://platform.uno/wasm"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+       RequestedTheme="Light"
        mc:Ignorable="wasm">
 
   <Application.Resources>

UI/WindowingSamples/WindowingSamples/CustomWindow.xaml

@@ -16,7 +16,7 @@
     <controls:WindowTitleControl Text="Custom window" Glyph="&#xE161;" />
 
     <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center" Grid.Row="1" Spacing="8">
-      <TextBlock x:Name="WindowText" HorizontalAlignment="Center" Text="This is custom window" FontSize="40" />
+      <TextBlock Foreground="White" x:Name="WindowText" HorizontalAlignment="Center" Text="This is custom window" FontSize="40" />
       <Button HorizontalAlignment="Center" Click="CloseClick">Close</Button>
     </StackPanel>
   </Grid>

UI/WindowingSamples/WindowingSamples/MainPage.xaml

@@ -29,12 +29,12 @@
         <TextBlock Text="Custom window" />
       </StackPanel>
     </Button>
-    <!--<Button Click="{x:Bind WindowTitleSample}">
+    <Button Click="{x:Bind WindowTitleSample}">
       <StackPanel Orientation="Horizontal" Spacing="8">
         <FontIcon FontFamily="{ThemeResource SymbolThemeFontFamily}" Glyph="&#xE737;" />
         <TextBlock Text="Window title" />
       </StackPanel>
-    </Button>-->
+    </Button>
     <Button Click="{x:Bind FullScreenModeSample}">
       <StackPanel Orientation="Horizontal" Spacing="8">
         <FontIcon FontFamily="{ThemeResource SymbolThemeFontFamily}" Glyph="&#xE740;" />

UI/WindowingSamples/WindowingSamples/MainPage.xaml.cs

@@ -4,10 +4,7 @@ namespace WindowingSamples;
 
 public sealed partial class MainPage : Page
 {
-    public MainPage()
-    {
-        this.InitializeComponent();
-    }
+    public MainPage() => InitializeComponent();
 
     public void BasicWindowSample()
     {
@@ -39,11 +36,11 @@ public void BasicWindowSample()
 
     public void CustomWindowSample() => new CustomWindow().Activate();
 
-public void FullScreenModeSample() => new FullScreenModeWindow().Activate();
+    public void FullScreenModeSample() => new FullScreenModeWindow().Activate();
 
-public void MinimizeMaximizeSample() => new MinimizeMaximizeWindow().Activate();
+    public void MinimizeMaximizeSample() => new MinimizeMaximizeWindow().Activate();
 
-public void WindowTitleSample() => new WindowTitleWindow().Activate();
+    public void WindowTitleSample() => new WindowTitleWindow().Activate();
 
-public void StayOnTopSample() => new StayOnTopWindow().Activate();
+    public void StayOnTopSample() => new StayOnTopWindow().Activate();
 }

UI/WindowingSamples/WindowingSamples/WindowTitleWindow.xaml

@@ -17,7 +17,7 @@
 
     <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center" Grid.Row="1" Spacing="8">
       <TextBlock HorizontalAlignment="Center" Text="Type to change the window title" FontSize="20" />
-      <TextBox Width="320" Grid.Row="1" FontSize="24" HorizontalAlignment="Center" VerticalAlignment="Center" Text="{x:Bind WindowTitle, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />
+      <TextBox Width="320" Grid.Row="1" FontSize="24" HorizontalAlignment="Center" VerticalAlignment="Center" Text="{x:Bind Title, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />
     </StackPanel>
   </Grid>
 </Window>

UI/WindowingSamples/WindowingSamples/WindowTitleWindow.xaml.cs

@@ -10,12 +10,6 @@ public sealed partial class WindowTitleWindow : Window
     public WindowTitleWindow()
     {
         InitializeComponent();
-        WindowTitle = "Test Window Title";
-    }
-
-    public string WindowTitle
-    {
-        get => AppWindow.Title;
-        set => AppWindow.Title = value;
+        Title = "Test Window Title";
     }
 }