public static bool ExtendGlassFrame(Window window, Thickness margin)
{
if (Environment.OSVersion.Version.Major < 6)
return false;
IntPtr hwnd = new WindowInteropHelper(window).Handle;
MARGINS margins = new MARGINS((int)margin.Left, (int)margin.Right, (int)margin.Top, (int)margin.Bottom);
// The background must be transparent in order to use glass
// WPF
window.Background = Brushes.Transparent;
return ExtendGlassFrame(hwnd, margins);
}
public static bool ExtendGlassFrame(IntPtr hwnd, MARGINS margins)
{
// Can we draw glass?
if (!DwmIsCompositionEnabled())
return false;
if (hwnd == IntPtr.Zero)
throw new InvalidOperationException("Window must be shown before drawing glass");
// The background must be transparent in order to use glass
// Win32
HwndSource.FromHwnd(hwnd).CompositionTarget.BackgroundColor = Colors.Transparent;
DwmExtendFrameIntoClientArea(hwnd, ref margins);
return true;
}
static extern void DwmExtendFrameIntoClientArea(IntPtr hWnd, ref MARGINS pMarInset);
