static void InvalidateCssBox(CssBox cssbox)
{
var rootGfx = (RootGraphic)cssbox.RootGfx;
var rootCssBox = cssbox.GetTopRootCssBox() as RenderElementBridgeCssBox;
if (rootCssBox != null)
{
//----------------------------------------
//TODO: fix here
//we not need to update entire HtmlBox
//we should update only invalidate area
//----------------------------------------
rootCssBox.ContainerElement.InvalidateGraphics();
}
}
}