private static void OnFilterItemContainerStyleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
RibbonGallery gallery = (RibbonGallery)d;
// Reapply the FilterItemContainerStyleSelector coercion.
gallery.CoerceValue(RibbonGallery.FilterItemContainerStyleSelectorProperty);
gallery.CoerceValue(RibbonGallery.CurrentFilterStyleProperty);
gallery.SetHeaderBindingForCurrentFilterItem();
}