private void EnableBlur()
{
var windowHelper = new WindowInteropHelper(this);
var accent = new BlurBehind.AccentPolicy
{
AccentState = BlurBehind.AccentState.ACCENT_ENABLE_BLURBEHIND,
//GradientColor = (int) ((_blurOpacity << 24) | (_blurBackgroundColor & 0xFFFFFF))
};
var accentStructSize = Marshal.SizeOf(accent);
var accentPtr = Marshal.AllocHGlobal(accentStructSize);
Marshal.StructureToPtr(accent, accentPtr, false);
var data = new BlurBehind.WindowCompositionAttributeData
{
Attribute = BlurBehind.WindowCompositionAttribute.WCA_ACCENT_POLICY,
SizeOfData = accentStructSize,
Data = accentPtr
};
SetWindowCompositionAttribute(windowHelper.Handle, ref data);
Marshal.FreeHGlobal(accentPtr);
}
private static extern int SetWindowCompositionAttribute(IntPtr hwnd, ref BlurBehind.WindowCompositionAttributeData data);