private void ToggleAcrylic(object sender, RoutedEventArgs e) { if (AcrylicToggle.IsChecked == true) Background = new SolidColorBrush(Color.FromArgb(200, 0, 0, 0)); else Background = new SolidColorBrush(Colors.White); }
It sounds like you want to develop a feature for an app that runs on using .NET 8.0 (the runtime version) and is intended for Windows 11 (or Windows 10/11 with modern APIs). windows desktop runtime 8.0 11
private void ApplyAcrylicIfSupported() { if (IsWindows11OrNewer()) { var acrylicBrush = new SolidColorBrush(Color.FromArgb(180, 32, 32, 32)); AcrylicBorder.Background = acrylicBrush; // Real acrylic requires WinUI or custom composition – for demo we use semi-transparent. } } private void ToggleAcrylic(object sender
private static bool IsSystemDarkMode() { try { using var key = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Themes\Personalize"); return key?.GetValue("AppsUseLightTheme") is int val && val == 0; } catch { return false; } } } MainWindow.xaml else Background = new SolidColorBrush(Colors.White)