public void SetAreaVisibility(PivotArea area, bool visible)
{
var items = layoutControl.Items.Cast <BaseLayoutItem>().ToList();
var layoutItem = items.OfType <LayoutControlItem>().First(x => x.Control == panelFromArea(area));
layoutItem.Visibility = LayoutVisibilityConvertor.FromBoolean(visible);
//for columns area (Color and symbol) also hide the empty space item to allow correct resizing
if (area.Is(PivotArea.ColumnArea))
{
emptySpaceItemColorToSymbol.Visibility = layoutItem.Visibility;
}
}
