public static void DisableWin7ExtendAeroGlass(Visual visual)
{
try
{
// 为WPF程序获取窗口句柄
//var windowInteropHelper = new WindowInteropHelper(obj);
//IntPtr handle = windowInteropHelper.Handle;
var visualHelperIntPtr = ((HwndSource)PresentationSource.FromVisual(visual)).Handle;
HwndSource mainWindowSrc = HwndSource.FromHwnd(visualHelperIntPtr);
var bb = new DwmBlurbehind
{
dwFlags = CoreNativeMethods.DwmBlurBehindDwFlags.DwmBbEnable,
Enabled = false
};
DwmEnableBlurBehindWindow(visualHelperIntPtr, ref bb);
const int dwmwaNcrenderingPolicy = 2;
var dwmncrpDisabled = 2;
DwmSetWindowAttribute(visualHelperIntPtr, dwmwaNcrenderingPolicy, ref dwmncrpDisabled, sizeof(int));
}
catch (Exception)
{
Application.Current.MainWindow.Background = Brushes.White;
}
}
protected override void OnSourceInitialized(EventArgs e)
{
base.OnSourceInitialized(e);
var bb = new DwmBlurbehind
{
dwFlags = CoreNativeMethods.DwmBlurBehindDwFlags.DwmBbEnable,
Enabled = true
};
WindowStartupLocation = WindowStartupLocation.CenterScreen;
Background = Brushes.Transparent;
ResizeMode = ResizeMode.NoResize;
//WindowStyle = WindowStyle.None;
Focus();
var hwnd = new WindowInteropHelper(this).Handle;
HwndSource.FromHwnd(hwnd).CompositionTarget.BackgroundColor = Colors.Transparent;
DwmEnableBlurBehindWindow(hwnd, ref bb);
const int dwmwaNcrenderingPolicy = 2;
var dwmncrpDisabled = 2;
DwmSetWindowAttribute(hwnd, dwmwaNcrenderingPolicy, ref dwmncrpDisabled, sizeof(int));
}
private readonly uint _blurBackgroundColor = 0x550000; /* BGR color format */
internal void Blur(bool enable = true)
{
var WinBuild = NativeMethods.WinBuild();
if (WinBuild == 7600 || WinBuild == 7601)
{
var bb = new DwmBlurbehind
{
dwFlags = DwmBlurBehindDwFlags.DwmBbEnable,
Enabled = true
};
var hwnd = new WindowInteropHelper(this).Handle;
HwndSource.FromHwnd(hwnd).CompositionTarget.BackgroundColor = Colors.Transparent;
DwmEnableBlurBehindWindow(hwnd, ref bb);
const int dwmwaNcrenderingPolicy = 2;
var dwmncrpDisabled = 2;
DwmSetWindowAttribute(hwnd, dwmwaNcrenderingPolicy, ref dwmncrpDisabled, sizeof(int));
}
else if (WinBuild >= 17134)
{
var windowHelper = new WindowInteropHelper(this);
var accent = new AccentPolicy
{
AccentState = (enable) ? AccentState.ACCENT_ENABLE_BLURBEHIND : AccentState.ACCENT_DISABLED,
AccentFlags = AccentFlags.DrawNoBorder,
GradientColor = (_blurOpacity << 24) | (_blurBackgroundColor & 0xFFFFFF),
AnimationId = 0
};
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(System.Windows.Forms.Form targetForm, bool keepBG = false)
{
string OSName = Leayal.OSVersionInfo.Name;
if (OSName == "Windows 10")
{
var accent = new AccentPolicy();
accent.AccentState = AccentState.ACCENT_ENABLE_BLURBEHIND;
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(targetForm.Handle, ref data);
Marshal.FreeHGlobal(accentPtr);
if (!keepBG)
{
targetForm.BackColor = Color.Lavender;
targetForm.TransparencyKey = Color.Lavender;
}
//targetForm.Paint += TargetForm_Paint;
}
else if (OSName == "Windows 7")
{
var hr = CreateEllipticRgn(0, 0, targetForm.Width, targetForm.Height);
var dbb = new DwmBlurbehind {
FEnable = true, DwFlags = 1, HRgnBlur = hr, FTransitionOnMaximized = false
};
DwmEnableBlurBehindWindow(targetForm.Handle, ref dbb);
if (!keepBG)
{
targetForm.BackColor = Color.Black;
}
targetForm.Paint += TargetForm_Paint;
}
}
public static extern void DwmEnableBlurBehindWindow(IntPtr hwnd, ref DwmBlurbehind blurBehind);
private static extern int DwmEnableBlurBehindWindow(IntPtr hWnd, ref DwmBlurbehind pBlurBehind);
internal static extern void DwmEnableBlurBehindWindow(IntPtr hWnd, DwmBlurbehind pBlurBehind);
public static extern void DwmEnableBlurBehindWindow( IntPtr windowHandle, ref DwmBlurbehind blurBehind );
public static extern void DwmEnableBlurBehindWindow(IntPtr windowHandle, ref DwmBlurbehind blurBehind);
public static extern void DwmEnableBlurBehindWindow(IntPtr hWnd, DwmBlurbehind pBlurBehind);
