public static void GenerateImage(System.Windows.Controls.Viewbox control, Stream result)
{
//Set background to white
//control.Background = System.Windows.Media.Brushes.White;
System.Windows.Size controlSize = RetrieveDesiredSize(control);
System.Windows.Rect rect = new System.Windows.Rect(0, 0, controlSize.Width, controlSize.Height);
System.Windows.Media.Imaging.RenderTargetBitmap rtb = new System.Windows.Media.Imaging.RenderTargetBitmap((int)controlSize.Width, (int)controlSize.Height, IMAGE_DPI, IMAGE_DPI, PixelFormats.Pbgra32);
control.Arrange(rect);
rtb.Render(control);
System.Windows.Media.Imaging.PngBitmapEncoder png = new System.Windows.Media.Imaging.PngBitmapEncoder();
png.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(rtb));
png.Save(result);
}