Windows Desktop Runtime 8.0 11 Upd -
<Window x:Class="Win11AcrylicFeature.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" Title="Windows 11 Acrylic Demo" Height="450" Width="600" Background="Transparent" AllowsTransparency="True" WindowStyle="None"> <Grid> <Border x:Name="AcrylicBorder" Background="White" Opacity="0.85"> <Border.Background> <SolidColorBrush Color="#CCFFFFFF"/> </Border.Background> </Border> <StackPanel Margin="20"> <CheckBox x:Name="AcrylicToggle" Content="Enable Acrylic (Windows 11)" Checked="ToggleAcrylic" Unchecked="ToggleAcrylic"/> <TextBlock Text="This window uses dark mode title bar and optional acrylic blur." TextWrapping="Wrap" Margin="0,20"/> </StackPanel> </Grid> </Window>
using System; using System.Runtime.InteropServices; using System.Windows; using System.Windows.Media; namespace Win11AcrylicFeature { public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); SourceInitialized += (s, e) => Win11ThemeHelper.ApplyDarkTitleBar(this); Loaded += (s, e) => ApplyAcrylicIfSupported(); } windows desktop runtime 8.0 11
<PropertyGroup> <OutputType>WinExe</OutputType> <TargetFramework>net8.0-windows10.0.17763.0</TargetFramework> <UseWPF>true</UseWPF> <UseWindowsForms>false</UseWindowsForms> <SupportedOSPlatformVersion>10.0.17763.0</SupportedOSPlatformVersion> </PropertyGroup> Create a helper class Win11ThemeHelper.cs : <Window x:Class="Win11AcrylicFeature
[DllImport("dwmapi.dll")] private static extern int DwmSetWindowAttribute(IntPtr hwnd, int attr, ref bool value, int size); SourceInitialized += (s