Microsoft.Windows.Controls.Ribbon.RibbonSeparator.OnVisualParentChanged C# (CSharp) Method

        protected override void OnVisualParentChanged(DependencyObject oldParent)
        {
            base.OnVisualParentChanged(oldParent);

            // Windows OS bug:1988393; DevDiv bug:107459
            // RibbonMenuItem, RibbonMenuButton, RibbonSplitButton and RibbonSplitMenuItem
            // templates contains ItemsPresenter where Grid.IsSharedSizeScope="true" and
            // need to inherits PrivateSharedSizeScopeProperty value. Property inheritance
            // walks the locial tree if possible and skips the visual tree where the
            // ItemsPresenter is. Workaround here is to copy the property value from the
            // visual parent

            DependencyObject newParent = VisualTreeHelper.GetParent(this);

            // The Separtator is a logical child of a RibbonMenuItem, RibbonMenuButton,
            // RibbonSplitButton or RibbonSplitMenuItem but has a different visual parent.
            // Set one-way binding with visual parent for
            // DefinitionBase.PrivateSharedSizeScopeProperty
            if (newParent != null)
            {
                Binding binding = new Binding();
                binding.Path = new PropertyPath(PrivateSharedSizeScopeProperty);
                binding.Mode = BindingMode.OneWay;
                binding.Source = newParent;
                BindingOperations.SetBinding(this, PrivateSharedSizeScopeProperty, binding);
            }

            // Clear binding for DefinitionBase.PrivateSharedSizeScopeProperty as it
            // is being detached from a visual parent.
            if (newParent == null)
            {
                BindingOperations.ClearBinding(this, PrivateSharedSizeScopeProperty);
            }
        }