private static void EnableBlur(Window window, bool isEnabled)
{
var versionInfo = SystemHelper.GetSystemVersionInfo();
var accentPolicy = new InteropValues.ACCENTPOLICY();
var accentPolicySize = Marshal.SizeOf(accentPolicy);
accentPolicy.AccentFlags = 2;
if (isEnabled)
{
if (versionInfo >= SystemVersionInfo.Windows10_1809)
{
accentPolicy.AccentState = InteropValues.ACCENTSTATE.ACCENT_ENABLE_ACRYLICBLURBEHIND;
}
else if (versionInfo >= SystemVersionInfo.Windows10)
{
accentPolicy.AccentState = InteropValues.ACCENTSTATE.ACCENT_ENABLE_BLURBEHIND;
}
else
{
accentPolicy.AccentState = InteropValues.ACCENTSTATE.ACCENT_ENABLE_TRANSPARENTGRADIENT;
}
}
else
{
accentPolicy.AccentState = InteropValues.ACCENTSTATE.ACCENT_ENABLE_BLURBEHIND;
}
accentPolicy.GradientColor = ResourceHelper.GetResource <uint>(ResourceToken.BlurGradientValue);
var accentPtr = Marshal.AllocHGlobal(accentPolicySize);
Marshal.StructureToPtr(accentPolicy, accentPtr, false);
var data = new InteropValues.WINCOMPATTRDATA
{
Attribute = InteropValues.WINDOWCOMPOSITIONATTRIB.WCA_ACCENT_POLICY,
DataSize = accentPolicySize,
Data = accentPtr
};
InteropMethods.Gdip.SetWindowCompositionAttribute(window.GetHandle(), ref data);
Marshal.FreeHGlobal(accentPtr);
}
internal static void EnableBlur(Window window)
{
var version = WindowHelper.GetWindowsVersion();
var versionInfo = new SystemVersionInfo(version.Major, version.Minor, version.Build);
if (versionInfo < SystemVersionInfo.Windows10 ||
versionInfo >= SystemVersionInfo.Windows10_1903)
{
var colorValue = ResourceHelper.GetResource <uint>(ResourceToken.BlurGradientValue);
var color = ColorHelper.ToColor(colorValue);
color = Color.FromRgb(color.R, color.G, color.B);
window.Background = new SolidColorBrush(color);
return;
}
var accentPolicy = new InteropValues.ACCENTPOLICY();
var accentPolicySize = Marshal.SizeOf(accentPolicy);
accentPolicy.AccentState = versionInfo < SystemVersionInfo.Windows10_1809
? InteropValues.ACCENTSTATE.ACCENT_ENABLE_BLURBEHIND
: InteropValues.ACCENTSTATE.ACCENT_ENABLE_ACRYLICBLURBEHIND;
accentPolicy.AccentFlags = 2;
accentPolicy.GradientColor = ResourceHelper.GetResource <uint>(ResourceToken.BlurGradientValue);
var accentPtr = Marshal.AllocHGlobal(accentPolicySize);
Marshal.StructureToPtr(accentPolicy, accentPtr, false);
var data = new InteropValues.WINCOMPATTRDATA
{
Attribute = InteropValues.WINDOWCOMPOSITIONATTRIB.WCA_ACCENT_POLICY,
DataSize = accentPolicySize,
Data = accentPtr
};
InteropMethods.Gdip.SetWindowCompositionAttribute(window.GetHandle(), ref data);
Marshal.FreeHGlobal(accentPtr);
}
internal static extern int SetWindowCompositionAttribute(IntPtr hwnd, ref InteropValues.WINCOMPATTRDATA data);
