WPF 窗体设置亚克力效果
框架使用大于等于.NET40。
Visual Studio 2022。
项目使用 MIT 开源许可协议。
WindowAcrylicBlur 设置亚克力颜色。
Opacity 设置透明度。
实现代码
1） 准备WindowAcrylicBlur.cs如下：
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using System; using System.Runtime.InteropServices; using System.Windows; using System.Windows.Interop; using System.Windows.Media; using Microsoft.Win32; using Microsoft.Windows.Shell;
namespace WPFDevelopers.Controls { internal enum AccentState { ACCENT_DISABLED = 0, ACCENT_ENABLE_GRADIENT = 1, ACCENT_ENABLE_TRANSPARENTGRADIENT = 2, ACCENT_ENABLE_BLURBEHIND = 3, ACCENT_ENABLE_ACRYLICBLURBEHIND = 4, ACCENT_INVALID_STATE = 5 }
[StructLayout(LayoutKind.Sequential)] internal struct AccentPolicy { public AccentState AccentState; public uint AccentFlags; public uint GradientColor; public uint AnimationId; }
[StructLayout(LayoutKind.Sequential)] internal struct WindowCompositionAttributeData { public WindowCompositionAttribute Attribute; public IntPtr Data; public int SizeOfData; }
internal enum WindowCompositionAttribute { // ... WCA_ACCENT_POLICY = 19 // ... }
internal class WindowOldConfig { public bool AllowsTransparency; public Brush Background; public WindowChrome WindowChrome; public WindowStyle WindowStyle = WindowStyle.SingleBorderWindow; }
internal class WindowOSHelper { public static Version GetWindowOSVersion() { var regKey = Registry.LocalMachine.OpenSubKey(@"Software\Microsoft\Windows NT\CurrentVersion");
int major; int minor; int build; int revision; try { var str = regKey.GetValue("CurrentMajorVersionNumber")?.ToString(); int.TryParse(str, out major);
str = regKey.GetValue("CurrentMinorVersionNumber")?.ToString(); int.TryParse(str, out minor);
str = regKey.GetValue("CurrentBuildNumber")?.ToString(); int.TryParse(str, out build);
str = regKey.GetValue("BaseBuildRevisionNumber")?.ToString(); int.TryParse(str, out revision);
return new Version(major, minor, build, revision); } catch (Exception) { return new Version(0, 0, 0, 0); } finally { regKey.Close(); } } }
public class WindowAcrylicBlur : Freezable { private static readonly Color _BackgtoundColor = Color.FromArgb(0x01, 0, 0, 0); //设置透明色 防止穿透
[DllImport("user32.dll")] internal static extern int SetWindowCompositionAttribute(IntPtr hwnd, ref WindowCompositionAttributeData data);
private static bool EnableAcrylicBlur(Window window, Color color, double opacity, bool enable) { if (window == null) return false;
AccentState accentState; var vOsVersion = WindowOSHelper.GetWindowOSVersion(); if (vOsVersion > new Version(10, 0, 17763)) //1809 accentState = enable ? AccentState.ACCENT_ENABLE_ACRYLICBLURBEHIND : AccentState.ACCENT_DISABLED; else if (vOsVersion > new Version(10, 0)) accentState = enable ? AccentState.ACCENT_ENABLE_BLURBEHIND : AccentState.ACCENT_DISABLED; else accentState = AccentState.ACCENT_DISABLED;
if (opacity > 1) opacity = 1;
var windowHelper = new WindowInteropHelper(window);
var accent = new AccentPolicy();
var opacityIn = (uint) (255 * opacity);
accent.AccentState = accentState;
if (enable) { var blurColor = (uint) ((color.R << 0) | (color.G << 8) | (color.B << 16) | (color.A << 24)); var blurColorIn = blurColor; if (opacityIn > 0) blurColorIn = (opacityIn << 24) | (blurColor & 0xFFFFFF); else if (opacityIn == 0 && color.A == 0) blurColorIn = (0x01 << 24) | (blurColor & 0xFFFFFF);
if (accent.GradientColor == blurColorIn) return true;
accent.GradientColor = blurColorIn; }
var accentStructSize = Marshal.SizeOf(accent);
var accentPtr = Marshal.AllocHGlobal(accentStructSize); Marshal.StructureToPtr(accent, accentPtr, false);
var data = new WindowCompositionAttributeData(); data.Attribute = WindowCompositionAttribute.WCA_ACCENT_POLICY; data.SizeOfData = accentStructSize; data.Data = accentPtr;
SetWindowCompositionAttribute(windowHelper.Handle, ref data);
Marshal.FreeHGlobal(accentPtr);
return true; }
private static void Window_Initialized(object sender, EventArgs e) { if (!(sender is Window window)) return;
var config = new WindowOldConfig { WindowStyle = window.WindowStyle, AllowsTransparency = window.AllowsTransparency, Background = window.Background };
var vWindowChrome = WindowChrome.GetWindowChrome(window); if (vWindowChrome == null) { window.WindowStyle = WindowStyle.None; //一定要将窗口的背景色改为透明才行 window.AllowsTransparency = true; //一定要将窗口的背景色改为透明才行 window.Background = new SolidColorBrush(_BackgtoundColor); //一定要将窗口的背景色改为透明才行 } else { config.WindowChrome = new WindowChrome { GlassFrameThickness = vWindowChrome.GlassFrameThickness }; window.Background = Brushes.Transparent; //一定要将窗口的背景色改为透明才行 var vGlassFrameThickness = vWindowChrome.GlassFrameThickness; vWindowChrome.GlassFrameThickness = new Thickness(0, vGlassFrameThickness.Top, 0, 0); }
SetWindowOldConfig(window, config);
window.Initialized -= Window_Initialized; }
private static void Window_Loaded(object sender, RoutedEventArgs e) { if (!(sender is Window window)) return;
var vBlur = GetWindowAcrylicBlur(window); if (vBlur != null) EnableAcrylicBlur(window, vBlur.BlurColor, vBlur.Opacity, true);
window.Loaded -= Window_Loaded; }
protected override Freezable CreateInstanceCore() { throw new NotImplementedException(); }
protected override void OnChanged() { base.OnChanged(); }
protected override void OnPropertyChanged(DependencyPropertyChangedEventArgs e) { base.OnPropertyChanged(e); }
#region 开启Win11风格
public static WindowAcrylicBlur GetWindowAcrylicBlur(DependencyObject obj) { return (WindowAcrylicBlur) obj.GetValue(WindowAcrylicBlurProperty); }
public static void SetWindowAcrylicBlur(DependencyObject obj, WindowAcrylicBlur value) { obj.SetValue(WindowAcrylicBlurProperty, value); }
public static readonly DependencyProperty WindowAcrylicBlurProperty = DependencyProperty.RegisterAttached("WindowAcrylicBlur", typeof(WindowAcrylicBlur), typeof(WindowAcrylicBlur), new PropertyMetadata(default(WindowAcrylicBlur), OnWindowAcryBlurPropertyChangedCallBack));
private static void OnWindowAcryBlurPropertyChangedCallBack(DependencyObject d, DependencyPropertyChangedEventArgs e) { if (!(d is Window window)) return;
if (e.OldValue == null && e.NewValue == null) return;
if (e.OldValue == null && e.NewValue != null) { window.Initialized += Window_Initialized; window.Loaded += Window_Loaded; }
if (e.OldValue != null && e.NewValue == null) { var vConfig = GetWindowOldConfig(d); if (vConfig != null) { window.WindowStyle = vConfig.WindowStyle; window.AllowsTransparency = vConfig.AllowsTransparency; window.Background = vConfig.Background;
if (vConfig.WindowChrome != null) { var vWindowChrome = WindowChrome.GetWindowChrome(window); if (vWindowChrome != null) vWindowChrome.GlassFrameThickness = vConfig.WindowChrome.GlassFrameThickness; } } }
if (e.OldValue == e.NewValue) { if (!window.IsLoaded) return;
var vBlur = e.NewValue as WindowAcrylicBlur; if (vBlur == null) return;
EnableAcrylicBlur(window, vBlur.BlurColor, vBlur.Opacity, true); } }
#endregion
#region 内部设置
private static WindowOldConfig GetWindowOldConfig(DependencyObject obj) { return (WindowOldConfig) obj.GetValue(WindowOldConfigProperty); }
private static void SetWindowOldConfig(DependencyObject obj, WindowOldConfig value) { obj.SetValue(WindowOldConfigProperty, value); }
// Using a DependencyProperty as the backing store for WindowOldConfig. This enables animation, styling, binding, etc... private static readonly DependencyProperty WindowOldConfigProperty = DependencyProperty.RegisterAttached("WindowOldConfig", typeof(WindowOldConfig), typeof(WindowAcrylicBlur), new PropertyMetadata(default(WindowOldConfig)));
#endregion
#region
public Color BlurColor { get => (Color) GetValue(BlurColorProperty); set => SetValue(BlurColorProperty, value); }
// Using a DependencyProperty as the backing store for BlurColor. This enables animation, styling, binding, etc... public static readonly DependencyProperty BlurColorProperty = DependencyProperty.Register("BlurColor", typeof(Color), typeof(WindowAcrylicBlur), new PropertyMetadata(default(Color)));
public double Opacity { get => (double) GetValue(OpacityProperty); set => SetValue(OpacityProperty, value); }
// Using a DependencyProperty as the backing store for Opacity. This enables animation, styling, binding, etc... public static readonly DependencyProperty OpacityProperty = DependencyProperty.Register("Opacity", typeof(double), typeof(WindowAcrylicBlur), new PropertyMetadata(default(double)));
#endregion } } |
2） 使用AcrylicBlurWindowExample.xaml如下：
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<Window x:Class="WPFDevelopers.Samples.ExampleViews.AcrylicBlurWindowExample" 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:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:local="clr-namespace:WPFDevelopers.Samples.ExampleViews" xmlns:wpfdev="https://github.com/WPFDevelopersOrg/WPFDevelopers" mc:Ignorable="d" WindowStartupLocation="CenterScreen" ResizeMode="CanMinimize" Title="Login" Height="350" Width="400"> <wpfdev:WindowChrome.WindowChrome> <wpfdev:WindowChrome GlassFrameThickness="0 1 0 0"/> </wpfdev:WindowChrome.WindowChrome> <wpfdev:WindowAcrylicBlur.WindowAcrylicBlur> <wpfdev:WindowAcrylicBlur BlurColor="AliceBlue" Opacity="0.2"/> </wpfdev:WindowAcrylicBlur.WindowAcrylicBlur> <Grid> <Grid.RowDefinitions> <RowDefinition Height="40"/> <RowDefinition/> </Grid.RowDefinitions> <StackPanel HorizontalAlignment="Right" Orientation="Horizontal" Grid.Column="1" wpfdev:WindowChrome.IsHitTestVisibleInChrome="True"> <Button Style="{DynamicResource WindowButtonStyle}" Command="{Binding CloseCommand,RelativeSource={RelativeSource AncestorType=local:AcrylicBlurWindowExample}}" Cursor="Hand"> <Path Width="10" Height="10" HorizontalAlignment="Center" VerticalAlignment="Center" Data="{DynamicResource PathMetroWindowClose}" Fill="Red" Stretch="Fill" /> </Button> </StackPanel> <StackPanel Grid.Row="1" Margin="40,0,40,0" wpfdev:WindowChrome.IsHitTestVisibleInChrome="True"> <Image Source="/WPFDevelopers.ico" Width="80" Height="80"/> <TextBox wpfdev:ElementHelper.IsWatermark="True" wpfdev:ElementHelper.Watermark="账户" Margin="0,20,0,0" Cursor="Hand"/> <PasswordBox wpfdev:ElementHelper.IsWatermark="True" wpfdev:ElementHelper.Watermark="密码" Margin="0,20,0,0" Cursor="Hand"/> <Button x:Name="LoginButton" Content="登 录" Margin="0,20,0,0" Style="{StaticResource PrimaryButton}"/> <Grid Margin="0 20 0 0"> <TextBlock FontSize="12"> <Hyperlink Foreground="Black" TextDecorations="None">忘记密码</Hyperlink> </TextBlock> <TextBlock FontSize="12" HorizontalAlignment="Right" Margin="0 0 -1 0"> <Hyperlink Foreground="#4370F5" TextDecorations="None">注册账号</Hyperlink> </TextBlock> </Grid> </StackPanel>
</Grid> </Window> |
3） 使用AcrylicBlurWindowExample.xaml.cs如下：
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using System.Windows; using System.Windows.Input; using WPFDevelopers.Samples.Helpers;
namespace WPFDevelopers.Samples.ExampleViews { /// <summary> /// AcrylicBlurWindowExample.xaml 的交互逻辑 /// </summary> public partial class AcrylicBlurWindowExample : Window { public AcrylicBlurWindowExample() { InitializeComponent(); } public ICommand CloseCommand => new RelayCommand(obj => { Close(); }); } } |
实现效果
