public static bool ExtendGlassFrame(Window window , Thickness margin) { if (!DwmApi.DwmIsCompositionEnabled()) return false; IntPtr hwnd = new WindowInteropHelper(window).Handle; if (hwnd == IntPtr.Zero) throw new InvalidOperationException("The Window must be shown before extending glass."); // Set the background to transparent from both the WPF and Win32 perspectives window.Background = Brushes.Transparent; HwndSource.FromHwnd(hwnd).CompositionTarget.BackgroundColor = Colors.Transparent; DwmApi.MARGINS margins = new DwmApi.MARGINS((int)margin.Left , (int)margin.Top , (int)margin.Right , (int)margin.Bottom); DwmApi.DwmExtendFrameIntoClientArea(hwnd , margins); return true; }
public static bool ExtendGlassFrame(Window window, Thickness margin) { if (!DwmApi.DwmIsCompositionEnabled()) { return(false); } IntPtr hwnd = new WindowInteropHelper(window).Handle; if (hwnd == IntPtr.Zero) { throw new InvalidOperationException("The Window must be shown before extending glass."); } // Set the background to transparent from both the WPF and Win32 perspectives window.Background = Brushes.Transparent; HwndSource.FromHwnd(hwnd).CompositionTarget.BackgroundColor = Colors.Transparent; DwmApi.MARGINS margins = new DwmApi.MARGINS((int)margin.Left, (int)margin.Top, (int)margin.Right, (int)margin.Bottom); DwmApi.DwmExtendFrameIntoClientArea(hwnd, margins); return(true); }