private async void XamlRoot_Changed(XamlRoot sender, XamlRootChangedEventArgs args)
        {
            if (_rootGrid.Width != sender.Size.Width || _rootGrid.Height != sender.Size.Height)
            {
                UpdateRootGridSize(sender.Size.Width, sender.Size.Height);
            }

            if (_currentDpi != sender.RasterizationScale)
            {
                _currentDpi = sender.RasterizationScale;
                await UpdateAppScreenshotAsync();
            }
        }
 private async void XamlRoot_Changed(XamlRoot sender, XamlRootChangedEventArgs args)
 {
     await UpdateEyedropperWorkAreaAsync();
 }