private void CreateInnerBacking(ViewBase fillElement)
{
_drawInnerBacking = new ViewDrawRibbonAppMenuInner(_ribbon);
_drawInnerBacking.Add(new ViewLayoutSeparator(2), ViewDockStyle.Top);
_drawInnerBacking.Add(new ViewLayoutSeparator(2), ViewDockStyle.Bottom);
_drawInnerBacking.Add(new ViewLayoutSeparator(2), ViewDockStyle.Left);
_drawInnerBacking.Add(new ViewLayoutSeparator(2), ViewDockStyle.Right);
_drawInnerBacking.Add(fillElement, ViewDockStyle.Fill);
}