ModernWPF.Internal.LegacyBorderManager.AttachWindow C# (CSharp) Method

        private void AttachWindow(Window window)
        {
            Debug.WriteLine("ChromeWorker attached.");
            _contentWindow = window;
            _borderWindow = new LegacyBorderWindow(window);
            _contentWindow.Closed += _contentWindow_Closed;
            _contentWindow.ContentRendered += _contentWindow_ContentRendered;

            var hwnd = new WindowInteropHelper(_contentWindow).Handle;
            if (hwnd == IntPtr.Zero)
            {
                _contentWindow.SourceInitialized += window_SourceInitialized;
            }
            else
            {
                InitReal(hwnd);
            }
        }