Test
[code] //Original source: https://github.com/sourcechord/FluentWPF
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
namespace NetCoreWpf
{
internal enum AccentFlagsType
{
Window = 0,
Popup,
}
[StructLayout(LayoutKind.Sequential)]
internal struct WindowCompositionAttributeData
{
public WindowCompositionAttribute Attribute;
public IntPtr Data;
public int SizeOfData;
}
internal enum WindowCompositionAttribute
{
// ...
WCA_ACCENT_POLICY = 19
// ...
}
internal enum AccentState
{
ACCENT_DISABLED = 0,
ACCENT_ENABLE_GRADIENT = 1,
ACCENT_ENABLE_TRANSPARENTGRADIENT = 2,
ACCENT_ENABLE_BLURBEHIND = 3,
ACCENT_ENABLE_ACRYLICBLURBEHIND = 4,
ACCENT_INVALID_STATE = 5
}
[StructLayout(LayoutKind.Sequential)]
internal struct AccentPolicy
{
public AccentState AccentState;
public int AccentFlags;
public uint GradientColor;
public int AnimationId;
}
internal static class AcrylicWindow
{
[DllImport("user32.dll")]
internal static extern int SetWindowCompositionAttribute(IntPtr hwnd, ref WindowCompositionAttributeData data);
internal static void EnableBlur(IntPtr hwnd, uint color, AccentFlagsType style = AccentFlagsType.Window)
{
var accent = new AccentPolicy();
var accentStructSize = Marshal.SizeOf(accent);
if (style == AccentFlagsType.Window)
{
accent.AccentFlags = 2;
}
else
{
accent.AccentFlags = 0x20 | 0x40 | 0x80 | 0x100;
}
accent.GradientColor = color;
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(hwnd, ref data);
Marshal.FreeHGlobal(accentPtr);
}
}
}
[/code]