■ 반투명 윈도우 사용하기
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TestProject.zip▶ AccentState.cs
namespace TestProject { /// <summary> /// 강조 상태 /// </summary> public enum AccentState { /// <summary> /// ACCENT_DISABLED /// </summary> ACCENT_DISABLED,
/// <summary> /// ACCENT_ENABLE_GRADIENT /// </summary> ACCENT_ENABLE_GRADIENT,
/// <summary> /// ACCENT_ENABLE_TRANSPARENTGRADIENT /// </summary> ACCENT_ENABLE_TRANSPARENTGRADIENT,
/// <summary> /// ACCENT_ENABLE_BLURBEHIND /// </summary> ACCENT_ENABLE_BLURBEHIND,
/// <summary> /// ACCENT_INVALID_STATE /// </summary> ACCENT_INVALID_STATE } }
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▶ AccentPolicy.cs
using System.Runtime.InteropServices;
namespace TestProject { /// <summary> /// 강조 정책 /// </summary> [StructLayout(LayoutKind.Sequential)] public struct AccentPolicy { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public
#region Field
/// <summary> /// 강조 상태 /// </summary> public AccentState AccentState;
/// <summary> /// 강조 플래그 /// </summary> public int AccentFlag;
/// <summary> /// 그라디언트 색상 /// </summary> public int GradientColor;
/// <summary> /// 애니메이션 ID /// </summary> public int AnimationID;
#endregion } }
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▶ WindowCompositionAttribute.cs
namespace TestProject { /// <summary> /// 윈도우 구성 특성 /// </summary> public enum WindowCompositionAttribute { /// <summary> /// WCA_ACCENT_POLICY /// </summary> WCA_ACCENT_POLICY = 19 } }
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▶ WindowCompositionAttributeData.cs
using System; using System.Runtime.InteropServices;
namespace TestProject { /// <summary> /// 윈도우 구성 특성 데이터 /// </summary> [StructLayout(LayoutKind.Sequential)] public struct WindowCompositionAttributeData { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public
#region Field
/// <summary> /// 윈도우 구성 특성 /// </summary> public WindowCompositionAttribute Attribute;
/// <summary> /// 데이터 /// </summary> public IntPtr Data;
/// <summary> /// 데이터 크기 /// </summary> public int DataSize;
#endregion } }
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▶ WindowBlurHelper.cs
using System; using System.Runtime.InteropServices; using System.Windows; using System.Windows.Interop;
namespace TestProject { /// <summary> /// 윈도우 반투명 헬퍼 /// </summary> public class WindowBlurHelper { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Static
#region 윈도우 구성 특성 설정하기 - SetWindowCompositionAttribute(windowHandle, data)
/// <summary> /// 윈도우 구성 특성 설정하기 /// </summary> /// <param name="windowHandle">윈도우 핸들</param> /// <param name="data">데이터</param> /// <returns>처리 결과</returns> [DllImport("user32.dll")] private static extern int SetWindowCompositionAttribute(IntPtr windowHandle, ref WindowCompositionAttributeData data);
#endregion
//////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public
#region Field
/// <summary> /// 이용 가능 여부 속성 /// </summary> public static readonly DependencyProperty IsEnabledProperty = DependencyProperty.RegisterAttached ( "IsEnabled", typeof(bool), typeof(WindowBlurHelper), new PropertyMetadata(false, IsEnabledPropertyChangedCallback) );
/// <summary> /// 윈도우 반투명 헬퍼 속성 /// </summary> public static readonly DependencyProperty WindowBlurHelperProperty = DependencyProperty.RegisterAttached ( "WindowBlurHelper", typeof(WindowBlurHelper), typeof(WindowBlurHelper), new PropertyMetadata(null, WindowBlurHelperPropertyChangedCallback));
#endregion
////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Private
#region Field
/// <summary> /// 윈도우 /// </summary> private Window window;
#endregion
//////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public
#region 이용 가능 여부 설정하기 - SetIsEnabled(dependencyObject, value)
/// <summary> /// 이용 가능 여부 설정하기 /// </summary> /// <param name="dependencyObject">의존 객체</param> /// <param name="value">값</param> public static void SetIsEnabled(DependencyObject dependencyObject, bool value) { dependencyObject.SetValue(IsEnabledProperty, value); }
#endregion #region 이용 가능 여부 구하기 - GetIsEnabled(dependencyObject)
/// <summary> /// 이용 가능 여부 구하기 /// </summary> /// <param name="dependencyObject">의존 객체</param> /// <returns>이용 가능 여부</returns> public static bool GetIsEnabled(DependencyObject dependencyObject) { return (bool)dependencyObject.GetValue(IsEnabledProperty); }
#endregion
#region 윈도우 반투명 헬퍼 설정하기 - SetWindowBlurHelper(dependencyObject, value)
/// <summary> /// 윈도우 반투명 헬퍼 설정하기 /// </summary> /// <param name="dependencyObject">의존 객체</param> /// <param name="value">값</param> public static void SetWindowBlurHelper(DependencyObject dependencyObject, WindowBlurHelper value) { dependencyObject.SetValue(WindowBlurHelperProperty, value); }
#endregion #region 윈도우 반투명 헬퍼 구하기 - GetWindowBlurHelper(dependencyObject)
/// <summary> /// 윈도우 반투명 헬퍼 구하기 /// </summary> /// <param name="dependencyObject">의존 객체</param> /// <returns>윈도우 반투명 헬퍼</returns> public static WindowBlurHelper GetWindowBlurHelper(DependencyObject dependencyObject) { return (WindowBlurHelper)dependencyObject.GetValue(WindowBlurHelperProperty); }
#endregion
//////////////////////////////////////////////////////////////////////////////// Private
#region 이용 가능 여부 속성 변경시 콜백 처리하기 - IsEnabledPropertyChangedCallback(dependencyObject, e)
/// <summary> /// 이용 가능 여부 속성 변경시 콜백 처리하기 /// </summary> /// <param name="dependencyObject">의존 객체</param> /// <param name="e">이벤트 인자</param> private static void IsEnabledPropertyChangedCallback(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e) { if(dependencyObject is Window window) { if(true.Equals(e.OldValue)) { GetWindowBlurHelper(window)?.Detach();
window.ClearValue(WindowBlurHelperProperty); }
if(true.Equals(e.NewValue)) { WindowBlurHelper helper = new WindowBlurHelper();
helper.Attach(window);
window.SetValue(WindowBlurHelperProperty, helper); } } }
#endregion #region 윈도우 반투명 헬퍼 속성 변경시 콜백 처리하기 - WindowBlurHelperPropertyChangedCallback(dependencyObject, e)
/// <summary> /// 윈도우 반투명 헬퍼 속성 변경시 콜백 처리하기 /// </summary> /// <param name="dependencyObject">의존 객체</param> /// <param name="e">이벤트 인자</param> private static void WindowBlurHelperPropertyChangedCallback(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e) { if(dependencyObject is Window window) { (e.OldValue as WindowBlurHelper)?.Detach();
(e.NewValue as WindowBlurHelper)?.Attach(window); } }
#endregion
////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Private ////////////////////////////////////////////////////////////////////// Event
#region 윈도우 소스 초기화시 처리하기 - window_SourceInitialized(sender, e)
/// <summary> /// 윈도우 소스 초기화시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void window_SourceInitialized(object sender, EventArgs e) { ((Window)sender).SourceInitialized -= window_SourceInitialized;
AttachCore(); }
#endregion
////////////////////////////////////////////////////////////////////// Function
#region 반투명 이용 가능 여부 설정하기 - EnableBlur(window)
/// <summary> /// 반투명 이용 가능 여부 설정하기 /// </summary> /// <param name="window">윈도우</param> private static void EnableBlur(Window window) { WindowInteropHelper helper = new WindowInteropHelper(window);
AccentPolicy accentPolicy = new AccentPolicy { AccentState = AccentState.ACCENT_ENABLE_BLURBEHIND };
int accentPolicySize = Marshal.SizeOf(accentPolicy);
IntPtr accentPolicyHandle = Marshal.AllocHGlobal(accentPolicySize);
Marshal.StructureToPtr(accentPolicy, accentPolicyHandle, false);
WindowCompositionAttributeData data = new WindowCompositionAttributeData { Attribute = WindowCompositionAttribute.WCA_ACCENT_POLICY, DataSize = accentPolicySize, Data = accentPolicyHandle };
SetWindowCompositionAttribute(helper.Handle, ref data);
Marshal.FreeHGlobal(accentPolicyHandle); }
#endregion
#region 첨부하기 (코어) - AttachCore()
/// <summary> /// 첨부하기 (코어) /// </summary> private void AttachCore() { EnableBlur(this.window); }
#endregion #region 분리하기 (코어) - DetachCore()
/// <summary> /// 분리하기 (코어) /// </summary> private void DetachCore() { this.window.SourceInitialized += window_SourceInitialized; }
#endregion
#region 첨부하기 - Attach(window)
/// <summary> /// 첨부하기 /// </summary> /// <param name="window">윈도우</param> private void Attach(Window window) { this.window = window;
HwndSource source = PresentationSource.FromVisual(window) as HwndSource;
if(source == null) { window.SourceInitialized += window_SourceInitialized; } else { AttachCore(); } }
#endregion #region 분리하기 - Detach()
/// <summary> /// 분리하기 /// </summary> private void Detach() { try { DetachCore(); } finally { this.window = null; } }
#endregion } }
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▶ MainWindow.xaml
<Window x:Class="TestProject.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" WindowStartupLocation="CenterScreen" Width="800" Height="600" WindowStyle="None" AllowsTransparency="True" BorderThickness="1" BorderBrush="Black" Background="#12000000" FontFamily="나눔고딕코딩" FontSize="16"> <Grid> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition Height="*" /> <RowDefinition Height="Auto" /> </Grid.RowDefinitions> <TextBlock Grid.Row="0" HorizontalAlignment="Left" VerticalAlignment="Center" Margin="5" Foreground="RoyalBlue"> 반투명 윈도우 사용하기 </TextBlock> <Button Name="closeButton" Grid.Row="2" HorizontalAlignment="Right" VerticalAlignment="Center" Margin="5" Width="100" Height="30" Content="종료" /> </Grid> </Window>
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▶ MainWindow.xaml.cs
using System.Windows;
namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public
#region 생성자 - MainWindow()
/// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent();
Loaded += Window_Loaded; this.closeButton.Click += closeButton_Click; }
#endregion
//////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private
#region 윈도우 로드시 처리하기 - Window_Loaded(sender, e)
/// <summary> /// 윈도우 로드시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Window_Loaded(object sender, RoutedEventArgs e) { WindowBlurHelper.SetIsEnabled(this, true); }
#endregion #region 종료 버튼 클릭시 처리하기 - closeButton_Click(sender, e)
/// <summary> /// 종료 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void closeButton_Click(object sender, RoutedEventArgs e) { Close(); }
#endregion } }
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