■ Window 클래스를 사용해 투명 윈도우를 만드는 방법을 보여준다.
▶ MainWindow.xaml
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<Window x:Class="TestProject.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" WindowStyle="None" Width="800" Height="600" AllowsTransparency="True" Background="Transparent" Title="투명 윈도우 만들기"> <Grid> <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="48" FontWeight="Bold" Text="Transparent Window" /> </Grid> </Window> |
▶ MainWindow.xaml.cs
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using System; using System.Runtime.InteropServices; using System.Windows; using System.Windows.Input; using System.Windows.Interop; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Enumeration ////////////////////////////////////////////////////////////////////////////////////////// Private #region 윈도우 컴포지션 특성 - WindowCompositionAttribute /// <summary> /// 윈도우 컴포지션 특성 /// </summary> private enum WindowCompositionAttribute { /// <summary> /// WCA_ACCENT_POLICY /// </summary> WCA_ACCENT_POLICY = 19 } #endregion #region 액센트 상태 - AccentState /// <summary> /// 액센트 상태 /// </summary> private enum AccentState { /// <summary> /// ACCENT_DISABLED /// </summary> ACCENT_DISABLED = 0, /// <summary> /// ACCENT_ENABLE_GRADIENT /// </summary> ACCENT_ENABLE_GRADIENT = 1, /// <summary> /// ACCENT_ENABLE_TRANSPARENTGRADIENT /// </summary> ACCENT_ENABLE_TRANSPARENTGRADIENT = 2, /// <summary> /// ACCENT_ENABLE_BLURBEHIND /// </summary> ACCENT_ENABLE_BLURBEHIND = 3, /// <summary> /// ACCENT_INVALID_STATE /// </summary> ACCENT_INVALID_STATE = 4 } #endregion #region 액센트 정책 - AccentPolicy /// <summary> /// 액센트 정책 /// </summary> [StructLayout(LayoutKind.Sequential)] private struct AccentPolicy { /// <summary> /// 액센트 상태 /// </summary> public AccentState AccentState; /// <summary> /// 액센트 플래그 /// </summary> public int AccentFlag; /// <summary> /// 그라디언트 색상 /// </summary> public int GradientColor; /// <summary> /// 애니메이션 ID /// </summary> public int AnimationID; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Inner Structure ////////////////////////////////////////////////////////////////////////////////////////// Private #region 윈도우 컴포지션 특성 데이터 - WindowCompositionAttributeData /// <summary> /// 윈도우 컴포지션 특성 데이터 /// </summary> [StructLayout(LayoutKind.Sequential)] private struct WindowCompositionAttributeData { /// <summary> /// 특성 /// </summary> public WindowCompositionAttribute Attribute; /// <summary> /// 데이터 /// </summary> public IntPtr Data; /// <summary> /// 데이터 크기 /// </summary> public int DataSize; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Import ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 윈도우 컴포지션 특성 설정하기 - SetWindowCompositionAttribute(windowHandle, windowCompositionAttributeData) /// <summary> /// 윈도우 컴포지션 특성 설정하기 /// </summary> /// <param name="windowHandle">윈도우 핸들</param> /// <param name="windowCompositionAttributeData">윈도우 컴포지션 특성 데이터</param> /// <returns>처리 결과</returns> [DllImport("user32.dll")] private static extern int SetWindowCompositionAttribute ( IntPtr windowHandle, ref WindowCompositionAttributeData windowCompositionAttributeData ); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 메인 윈도우 /// </summary> public MainWindow() { InitializeComponent(); this.MouseLeftButtonDown += Window_MouseLeftButtonDown; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 소스 초기화시 처리하기 - OnSourceInitialized(e) /// <summary> /// 소스 초기화시 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnSourceInitialized(EventArgs e) { base.OnSourceInitialized(e); EnableBlur(); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 윈도우 마우스 왼쪽 버튼 DOWN 처리하기 - Window_MouseLeftButtonDown(sender, e) /// <summary> /// 윈도우 마우스 왼쪽 버튼 DOWN 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Window_MouseLeftButtonDown(object sender, MouseButtonEventArgs e) { DragMove(); } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 투명 활성화 하기 - EnableBlur() /// <summary> /// 투명 활성화 하기 /// </summary> private void EnableBlur() { WindowInteropHelper windowInteropHelper = new WindowInteropHelper(this); AccentPolicy accentPolicy = new AccentPolicy(); int accentPolicySize = Marshal.SizeOf(accentPolicy); accentPolicy.AccentState = AccentState.ACCENT_ENABLE_BLURBEHIND; IntPtr accentPolicyHandle = Marshal.AllocHGlobal(accentPolicySize); Marshal.StructureToPtr(accentPolicy, accentPolicyHandle, false); WindowCompositionAttributeData windowCompositionAttributeData = new WindowCompositionAttributeData(); windowCompositionAttributeData.Attribute = WindowCompositionAttribute.WCA_ACCENT_POLICY; windowCompositionAttributeData.DataSize = accentPolicySize; windowCompositionAttributeData.Data = accentPolicyHandle; SetWindowCompositionAttribute(windowInteropHelper.Handle, ref windowCompositionAttributeData); Marshal.FreeHGlobal(accentPolicyHandle); } #endregion } } |
※ 윈도우 10에서 작동한다.
