Gets or sets a control displayed in the BackstageView's right area when the tab item is selected. This is a dependency property.
A control displayed in the BackstageView's right area when the tab item is selected.
The Backstage View's general structure consists of two areas. The left one - the Content Area - holds all backstage menu items. The right area – the Control Pane - displays the content of the currently selected tab item. This content is specified by the item's ControlPane property.