internal static void EnableBlur(AccentState acc, Window win)
{
WindowInteropHelper windowHelper = new WindowInteropHelper(win);
AccentPolicy accent = new AccentPolicy
{
AccentState = acc
};
int accentStructSize = Marshal.SizeOf(accent);
IntPtr accentPtr = Marshal.AllocHGlobal(accentStructSize);
Marshal.StructureToPtr(accent, accentPtr, false);
WindowCompositionAttributeData data = new WindowCompositionAttributeData
{
Attribute = WindowCompositionAttribute.WCA_ACCENT_POLICY,
SizeOfData = accentStructSize,
Data = accentPtr
};
SetWindowCompositionAttribute(windowHelper.Handle, ref data);
Marshal.FreeHGlobal(accentPtr);
}
public static void SetAccentState(IntPtr wind, AccentState state, Color?col = null)
{
col = col ?? Themes.CurrentConfiguration.GetAccentColour();
if (state == AccentState.ACCENT_ENABLE_ACRYLICBLURBEHIND && !OSVersion.IsWindows10AprilUpdate)
{
state = AccentState.ACCENT_ENABLE_BLURBEHIND;
}
var accent = new AccentPolicy {
AccentState = state, GradientColor = (uint)((col.Value.A << 24) | ((col.Value.B << 16 | col.Value.G << 8 | col.Value.R) & 0xFFFFFF))
};
var accentStructSize = Marshal.SizeOf(accent);
var accentPtr = Marshal.AllocHGlobal(accentStructSize);
Marshal.StructureToPtr(accent, accentPtr, false);
var data = new WindowCompositionAttributeData
{
Attribute = WindowCompositionAttribute.WCA_ACCENT_POLICY,
SizeOfData = accentStructSize,
Data = accentPtr
};
SetWindowCompositionAttribute(wind, ref data);
Marshal.FreeHGlobal(accentPtr);
}
public static void Apply(Window window, Color backgroundColor, AccentState state = AccentState.AcrylicBlurBehind)
{
int getColorCode(Color color)
{
return(color.A << 24 | // DWM uses ABGR format
color.B << 16 |
color.G << 8 |
color.R);
}
var helper = new WindowInteropHelper(window);
var accent = new AccentPolicy();
var accentSize = Marshal.SizeOf(accent);
accent.AccentState = state;
accent.GradientColor = getColorCode(backgroundColor);
var accentPointer = Marshal.AllocHGlobal(accentSize);
Marshal.StructureToPtr(accent, accentPointer, false);
var data = new WindowsCompostionAttributeData
{
Attribute = 19, //WindowCompositionAttribute.AccentPolicy
SizeOfData = accentSize,
Data = accentPointer,
};
SetWindowCompositionAttribute(helper.Handle, ref data);
Marshal.FreeHGlobal(accentPointer);
}
internal static void SetAccentPolicy(IntPtr hWnd, AccentState accentState, AccentFlags accentFlags, uint gradientColor)
{
var accent = new AccentPolicy
{
AccentState = accentState,
AccentFlags = accentFlags,
AnimationId = 0,
GradientColor = gradientColor
};
var accentStructSize = Marshal.SizeOf(accent);
var accentPtr = Marshal.AllocHGlobal(accentStructSize);
Marshal.StructureToPtr(accent, accentPtr, false);
var data = new WindowCompositionAttributeData
{
Attribute = WindowCompositionAttribute.WCA_ACCENT_POLICY,
SizeOfData = accentStructSize,
Data = accentPtr
};
_SetWindowCompositionAttribute(hWnd, ref data);
Marshal.FreeHGlobal(accentPtr);
}
public static void DisableBlur(IntPtr hWnd, AccentState accentState, AccentFlags flags,
UsingColors gradientColor)
{
var hex = (uint)gradientColor;
NativeMethods.SetAccentPolicy(hWnd, accentState, flags, hex);
}
public AccentPolicy(AccentState accentState, int accentFlags, int gradientColor, int animationId)
{
AccentState = accentState;
AccentFlags = accentFlags;
GradientColor = gradientColor;
AnimationId = animationId;
}
/// <summary>
/// Gracefully allows managed code to easily call SetWindowCompositionAttribute without messing with memory and unsigned integers.
/// </summary>
/// <remarks>
/// If the target window uses system window decorations, the accent policy will bleed over the edges of the decoration.
/// </remarks>
/// <param name="hWnd">
/// The target window's handle.
/// </param>
/// <param name="state">
/// The accent state to apply.
/// </param>
/// <param name="color">
/// The value of GradientColor. Will default to 0x00FFFFFF.
/// </param>
/// <seealso cref="AccentState"/>
public static void SetWindowCompositionAttribute(IntPtr hWnd, AccentState state = AccentState.ACCENT_ENABLE_BLURBEHIND, SolidColorBrush color = null)
{
if (color == null)
{
color = Brushes.Transparent;
}
var hexColor = (uint)((color.Color.A << 24) + (color.Color.B << 16) + (color.Color.G << 8) + color.Color.R);
var accent = new AccentPolicy()
{
AccentState = state,
AccentFlags = 2,
GradientColor = hexColor
};
var accentStructSize = Marshal.SizeOf(accent);
var accentPtr = Marshal.AllocHGlobal(accentStructSize);
Marshal.StructureToPtr(accent, accentPtr, false);
var data = new WindowCompositionAttributeData()
{
Attribute = WindowCompositionAttribute.WCA_ACCENT_POLICY,
Data = accentPtr,
SizeOfData = accentStructSize
};
SetWindowCompositionAttribute(hWnd, ref data);
Marshal.FreeHGlobal(accentPtr);
}
public static void Set(Window window, AccentState accentState, AccentFlags accentFlags)
{
var hwndSource = PresentationSource.FromVisual(window) as HwndSource;
if (hwndSource == null)
{
return;
}
var accent = new AccentPolicy
{
AccentState = accentState,
AccentFlags = accentFlags,
};
var accentStructSize = Marshal.SizeOf(accent);
var accentPtr = Marshal.AllocHGlobal(accentStructSize);
Marshal.StructureToPtr(accent, accentPtr, false);
var data = new WindowCompositionAttributeData
{
Attribute = WindowCompositionAttribute.WCA_ACCENT_POLICY,
SizeOfData = accentStructSize,
Data = accentPtr,
};
User32.SetWindowCompositionAttribute(hwndSource.Handle, ref data);
Marshal.FreeHGlobal(accentPtr);
}
private void SetWindowAccent(Window w, AccentState state)
{
var windowHelper = new WindowInteropHelper(w);
windowHelper.EnsureHandle();
var accent = new AccentPolicy {
AccentState = state
};
var accentStructSize = Marshal.SizeOf(accent);
var accentPtr = Marshal.AllocHGlobal(accentStructSize);
Marshal.StructureToPtr(accent, accentPtr, false);
var data = new WindowCompositionAttributeData
{
Attribute = WindowCompositionAttribute.WCA_ACCENT_POLICY,
SizeOfData = accentStructSize,
Data = accentPtr
};
SetWindowCompositionAttribute(windowHelper.Handle, ref data);
Marshal.FreeHGlobal(accentPtr);
}
public static void EnableBlur(IntPtr hWnd, AccentState accentState, uint hex)
{
if (SystemParameters.HighContrast)
{
return; // Blur is not useful in high contrast mode
}
NativeMethods.SetAccentPolicy(hWnd, accentState, AccentFlags.None, hex);
}
/// <summary>
/// 设置控件效果
/// </summary>
public static bool SetBlur(IntPtr hwnd, AccentState state)
{
try {
EnableBlur(hwnd, state);
return(true);
} catch {
return(false);
}
}
public static void SetAccentState(string taskbar, AccentState state)
{
if (taskbar == "Main")
{
TT.Options.Settings.MainTaskbarStyle.AccentState = (byte)state;
}
else
{
TT.Options.Settings.MaximizedTaskbarStyle.AccentState = (byte)state;
}
}
/// <summary>
/// check if platform
/// </summary>
/// <param name="state"></param>
/// <returns></returns>
internal static AccentState CheckPlatformSupport(AccentState state)
{
var currentVersion = SystemInfo.SystemInfo.Version.Value;
if (currentVersion >= VersionInfo.Windows101903)
{
if (state == AccentState.ACCENT_DISABLED)
{
return(AccentState.ACCENT_ENABLE_BLURBEHIND);
}
if (state >= AccentState.ACCENT_ENABLE_ACRYLICBLURBEHIND)
{
return(AccentState.ACCENT_ENABLE_BLURBEHIND);
}
}
if (currentVersion == VersionInfo.Windows101809)
{
if (state == AccentState.ACCENT_DISABLED)
{
return(AccentState.ACCENT_ENABLE_ACRYLICBLURBEHIND);
}
}
if (currentVersion >= VersionInfo.Windows10)
{
if (state == AccentState.ACCENT_DISABLED)
{
return(AccentState.ACCENT_ENABLE_BLURBEHIND);
}
if (state >= AccentState.ACCENT_ENABLE_ACRYLICBLURBEHIND)
{
return(AccentState.ACCENT_ENABLE_BLURBEHIND);
}
}
if (currentVersion >= VersionInfo.Windows7)
{
if (state == AccentState.ACCENT_DISABLED)
{
return(AccentState.ACCENT_ENABLE_TRANSPARENTGRADIENT);
}
if (state >= AccentState.ACCENT_ENABLE_BLURBEHIND)
{
return(AccentState.ACCENT_ENABLE_TRANSPARENTGRADIENT);
}
}
return(state);
}
public static void BlurWindow(Window win, AccentState state)
{
AccentPolicy accent = new AccentPolicy();
accent.AccentState = state;
int accentStructSize = Marshal.SizeOf(accent);
IntPtr accentPtr = Marshal.AllocHGlobal(accentStructSize);
Marshal.StructureToPtr(accent, accentPtr, false);
WindowCompositionAttributeData data = new WindowCompositionAttributeData();
data.Attribute = WindowCompositionAttribute.WCA_ACCENT_POLICY;
data.SizeOfData = accentStructSize;
data.Data = accentPtr;
WinAPI.SetWindowCompositionAttribute(new WindowInteropHelper(win).Handle, ref data);
Marshal.FreeHGlobal(accentPtr);
}
internal static AccentState SelectAccentState(AcrylicAccentState state = AcrylicAccentState.Default)
{
// ウィンドウのアクリル効果を設定する
AccentState value = state switch
{
// ウィンドウ背景のぼかしを行うのはWindows10の場合のみ
// OSのバージョンに従い、AccentStateを切り替える
AcrylicAccentState.Default => SystemInfo.Version.Value switch
{
// Windows11環境ではアクリル効果を無効にする
var version when version >= VersionInfos.Windows11_Preview => AccentState.ACCENT_ENABLE_GRADIENT,
// Windows10 1903以降では、ACCENT_ENABLE_ACRYLICBLURBEHINDを用いると、ウィンドウのドラッグ移動などでマウス操作に追従しなくなる。
// ウィンドウの移動/リサイズ中だけ、ACCENT_ENABLE_ACRYLICBLURBEHINDを無効にして、この問題を回避する
//var version when version >= VersionInfos.Windows10_1903 => AccentState.ACCENT_ENABLE_BLURBEHIND,
var version when version >= VersionInfos.Windows10_1809 => AccentState.ACCENT_ENABLE_ACRYLICBLURBEHIND,
var version when version >= VersionInfos.Windows10 => AccentState.ACCENT_ENABLE_BLURBEHIND,
_ => AccentState.ACCENT_ENABLE_TRANSPARENTGRADIENT,
},
public static void SetBlur(FrameworkElement element, AccentState value)
{
//由于某些原因在我的vs和net版本下 如果此方法的名称为 SetBlurProperty 则可以起作用，
//但在xaml中对应的属性名称就会变成"BlurProperty"，否则在Xaml下设置Blur属性值时此方法不会
//触发，因此只能在OnBlurChanged中更改此方法
try {
IntPtr hwnd = IntPtr.Zero;
if (element.IsInitialized)
{
hwnd = GetVisualHandle(element);
EnableBlur(hwnd, value);
}
else
{
element.Loaded += (s, e) => {
hwnd = GetVisualHandle(element);
EnableBlur(hwnd, value);
};
}
} catch {
}
}
/// <summary>
/// 给句柄指定的控件设置毛玻璃效果
/// </summary>
internal static void EnableBlur(IntPtr hwnd, AccentState state)
{
var accent = new AccentPolicy {
AccentState = state
};
var accentStructSize = Marshal.SizeOf(accent);
var accentPtr = Marshal.AllocHGlobal(accentStructSize);
Marshal.StructureToPtr(accent, accentPtr, false);
var data = new WindowCompositionAttributeData {
Attribute = WindowCompositionAttribute.WCA_ACCENT_POLICY,
SizeOfData = accentStructSize,
Data = accentPtr
};
SetWindowCompositionAttribute(hwnd, ref data);
Marshal.FreeHGlobal(accentPtr);
}
static void SetAccentPolicy(System.Windows.Window window, AccentState state)
{
var windowHelper = new WindowInteropHelper(window);
var accent = new AccentPolicy();
var accentStructSize = Marshal.SizeOf(accent);
accent.AccentState = state;
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);
}
private static void ChangeComposition(Window w, AccentState state)
{
var accent = new AccentPolicy
{
AccentState = state,
AccentFlags = 2,
GradientColor = 0x00FFFFFF,
};
var accentStructSize = Marshal.SizeOf(accent);
var accentPtr = Marshal.AllocHGlobal(accentStructSize);
Marshal.StructureToPtr(accent, accentPtr, false);
var data = new WindowCompositionAttributeData
{
Attribute = WindowCompositionAttribute.WCA_ACCENT_POLICY,
SizeOfData = accentStructSize,
Data = accentPtr,
};
SetWindowCompositionAttribute(new WindowInteropHelper(w).Handle, ref data);
Marshal.FreeHGlobal(accentPtr);
}
static bool SetAccentPolicy(Window window, AccentState accentState)
{
var windowHelper = new WindowInteropHelper(window);
var accent = new AccentPolicy
{
AccentState = accentState,
AccentFlags = GetAccentFlagsForTaskbarPosition(),
AnimationId = 3
};
var accentStructSize = Marshal.SizeOf(accent);
var accentPtr = Marshal.AllocHGlobal(accentStructSize);
Marshal.StructureToPtr(accent, accentPtr, false);
var data = new WindowCompositionAttribData
{
Attribute = WindowCompositionAttribute.WCA_ACCENT_POLICY,
SizeOfData = accentStructSize,
Data = accentPtr
};
var result = NativeMethods.SetWindowCompositionAttribute(windowHelper.Handle, ref data);
Marshal.FreeHGlobal(accentPtr);
return(result);
}
//to call blur in our desired window
internal WindowBlureffect(Window window, AccentState accentState)
{
this.window = window;
this.accentState = accentState;
EnableBlur();
}
/// <summary> /// Provides a shorthand for SetWindowCompositionAttribute on XAML windows. /// </summary> /// <remarks> /// If the target window uses system window decorations, the accent policy will bleed over the edges of the decoration. /// </remarks> /// <param name="state"> /// The accent state to apply. /// </param> /// <param name="color"> /// The value of GradientColor. Will default to 0x00FFFFFF. /// </param> /// <seealso cref="SetWindowCompositionAttribute(IntPtr, AccentState, SolidColorBrush)"/> /// <seealso cref="AccentState"/> public static void SetCompositionAttribute(this Window window, AccentState state = AccentState.ACCENT_ENABLE_BLURBEHIND, SolidColorBrush color = null) => SetWindowCompositionAttribute(new WindowInteropHelper(window).Handle, state, color);
private void SetWindowAccent(Window wind, AccentState themeAccentMode)
{
var windowHelper = new WindowInteropHelper(wind);
var accent = new AccentPolicy { AccentState = themeAccentMode };
var accentStructSize = Marshal.SizeOf(accent);
var accentPtr = Marshal.AllocHGlobal(accentStructSize);
Marshal.StructureToPtr(accent, accentPtr, false);
var data = new WindowCompositionAttributeData
{
Attribute = WindowCompositionAttribute.WCA_ACCENT_POLICY,
SizeOfData = accentStructSize,
Data = accentPtr
};
SetWindowCompositionAttribute(windowHelper.Handle, ref data);
Marshal.FreeHGlobal(accentPtr);
}
public static void SetAccentState(AccentState state)
{
SetAccentState(TaskbarBeingEdited, state);
}
/// <summary>
/// Enable blur effect in windows platform
/// </summary>
/// <param name="hwnd"></param>
/// <param name="style"></param>
/// <param name="state"></param>
/// <param name="accentColor"></param>
internal static void EnableBlur(IntPtr hwnd, uint accentColor = AccentColor, AccentFlagsType style = AccentFlagsType.Window, AccentState state = AccentState.ACCENT_DISABLED)
{
var accent = new AccentPolicy();
var accentStructSize = Marshal.SizeOf(accent);
accent.AccentState = state == AccentState.ACCENT_DISABLED ? CheckPlatformSupport(state) : state;
accent.AccentFlags = style == AccentFlagsType.Window ? 2 : 0x20 | 0x40 | 0x80 | 0x100;
accent.GradientColor = accentColor;
var accentPtr = Marshal.AllocHGlobal(accentStructSize);
Marshal.StructureToPtr(accent, accentPtr, false);
var data = new WindowCompositionAttributeData {
Attribute = WindowCompositionAttribute.WCA_ACCENT_POLICY,
SizeOfData = accentStructSize,
Data = accentPtr
};
_ = SetWindowCompositionAttribute(hwnd, ref data);
Marshal.FreeHGlobal(accentPtr);
}
