internal static GifPropertyItem[] ConvertFromMemory(IntPtr propdata, int count)
{
var props = new GifPropertyItem[count];
for (var i = 0; i < count; i++)
{
GifPropertyItemInternal propcopy = null;
try
{
propcopy = (GifPropertyItemInternal)ExternDllHelper.PtrToStructure(propdata,
typeof(GifPropertyItemInternal));
props[i] = new GifPropertyItem
{
Id = propcopy.id,
Len = propcopy.len,
Type = propcopy.type,
Value = propcopy.Value
};
// this calls Marshal.Copy and creates a copy of the original memory into a byte array.
propcopy.value = IntPtr.Zero; // we dont actually own this memory so dont free it.
}
finally
{
propcopy?.Dispose();
}
propdata = (IntPtr)((long)propdata + Marshal.SizeOf(typeof(GifPropertyItemInternal)));
}
return(props);
}
internal static void EnableBlur(Window window)
{
RegistryKey registryKey = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows NT\CurrentVersion");
var build = Convert.ToInt32(registryKey.GetValue("CurrentBuild"));
var major = Convert.ToInt32(registryKey.GetValue("CurrentMajorVersionNumber"));
var minor = Convert.ToInt32(registryKey.GetValue("CurrentMinorVersionNumber"));
SystemVersionInfo = new SystemVersionInfo(major, minor, build);
var accentPolicy = new ExternDllHelper.ACCENTPOLICY();
var accentPolicySize = Marshal.SizeOf(accentPolicy);
if (SystemVersionInfo >= SystemVersionInfo.Windows10_1809)
{
accentPolicy.AccentState = ExternDllHelper.ACCENTSTATE.ACCENT_ENABLE_ACRYLICBLURBEHIND;
}
else if (SystemVersionInfo >= SystemVersionInfo.Windows10)
{
accentPolicy.AccentState = ExternDllHelper.ACCENTSTATE.ACCENT_ENABLE_BLURBEHIND;
}
else
{
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;
}
accentPolicy.AccentFlags = 2;
accentPolicy.GradientColor = ResourceHelper.GetResource <uint>(ResourceToken.BlurGradientValue);
var accentPtr = Marshal.AllocHGlobal(accentPolicySize);
Marshal.StructureToPtr(accentPolicy, accentPtr, false);
var data = new ExternDllHelper.WINCOMPATTRDATA
{
Attribute = ExternDllHelper.WINDOWCOMPOSITIONATTRIB.WCA_ACCENT_POLICY,
DataSize = accentPolicySize,
Data = accentPtr
};
ExternDllHelper.SetWindowCompositionAttribute(new WindowInteropHelper(window).Handle, ref data);
Marshal.FreeHGlobal(accentPtr);
}
internal static void EnableBlur(Window window)
{
var accentPolicy = new ExternDllHelper.ACCENTPOLICY();
var accentPolicySize = Marshal.SizeOf(accentPolicy);
if (SystemVersionInfo >= SystemVersionInfo.Windows10_1809)
{
accentPolicy.AccentState = ExternDllHelper.ACCENTSTATE.ACCENT_ENABLE_ACRYLICBLURBEHIND;
}
else if (SystemVersionInfo >= SystemVersionInfo.Windows10)
{
accentPolicy.AccentState = ExternDllHelper.ACCENTSTATE.ACCENT_ENABLE_BLURBEHIND;
}
else
{
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;
}
accentPolicy.AccentFlags = 2;
accentPolicy.GradientColor = ResourceHelper.GetResource <uint>(ResourceToken.BlurGradientValue);
var accentPtr = Marshal.AllocHGlobal(accentPolicySize);
Marshal.StructureToPtr(accentPolicy, accentPtr, false);
var data = new ExternDllHelper.WINCOMPATTRDATA
{
Attribute = ExternDllHelper.WINDOWCOMPOSITIONATTRIB.WCA_ACCENT_POLICY,
DataSize = accentPolicySize,
Data = accentPtr
};
ExternDllHelper.SetWindowCompositionAttribute(window.GetHandle(), ref data);
Marshal.FreeHGlobal(accentPtr);
}
private void GetBitmapSource()
{
var handle = IntPtr.Zero;
try
{
handle = GetHbitmap();
Source = Imaging.CreateBitmapSourceFromHBitmap(handle, IntPtr.Zero, Int32Rect.Empty,
BitmapSizeOptions.FromEmptyOptions());
}
catch
{
// ignored
}
finally
{
if (handle != IntPtr.Zero)
{
ExternDllHelper.DeleteObject(handle);
}
}
}
internal static void EnableBlur(Window window)
{
var accentPolicy = new ExternDllHelper.ACCENTPOLICY();
var accentPolicySize = Marshal.SizeOf(accentPolicy);
if (SystemVersionInfo >= SystemVersionInfo.Windows10_1809)
{
accentPolicy.AccentState = ExternDllHelper.ACCENTSTATE.ACCENT_ENABLE_ACRYLICBLURBEHIND;
}
else if (SystemVersionInfo >= SystemVersionInfo.Windows10)
{
accentPolicy.AccentState = ExternDllHelper.ACCENTSTATE.ACCENT_ENABLE_BLURBEHIND;
}
else
{
accentPolicy.AccentState = ExternDllHelper.ACCENTSTATE.ACCENT_ENABLE_TRANSPARENTGRADIENT;
}
accentPolicy.AccentFlags = 2;
accentPolicy.GradientColor = ResourceHelper.GetResource <uint>(ResourceToken.BlurGradientValue);
var accentPtr = Marshal.AllocHGlobal(accentPolicySize);
Marshal.StructureToPtr(accentPolicy, accentPtr, false);
var data = new ExternDllHelper.WINCOMPATTRDATA
{
Attribute = ExternDllHelper.WINDOWCOMPOSITIONATTRIB.WCA_ACCENT_POLICY,
DataSize = accentPolicySize,
Data = accentPtr
};
ExternDllHelper.SetWindowCompositionAttribute(new WindowInteropHelper(window).Handle, ref data);
Marshal.FreeHGlobal(accentPtr);
}