public KeyTipAdorner(UIElement adornedElement, UIElement placementTarget, KeyTipHorizontalPlacement horizontalPlacement, KeyTipVerticalPlacement verticalPlacement, double horizontalOffset, double verticalOffset, RibbonGroup ownerRibbonGroup) : base(adornedElement) { PlacementTarget = (placementTarget == null ? adornedElement : placementTarget); HorizontalPlacement = horizontalPlacement; VerticalPlacement = verticalPlacement; HorizontalOffset = horizontalOffset; VerticalOffset = verticalOffset; OwnerRibbonGroup = ownerRibbonGroup; }