| CustomPopupPlacement | Defines custom placement parameters for a CustomPopupPlacementCallback callback. |
| ManagedPopupPositioner | An IPopupPositioner implementation for platforms on which a popup can be arbitrarily positioned. |
| ManagedPopupPositionerPopupImplHelper | This class is used to simplify integration of IPopupImpl implementations with popup positioner |
| ManagedPopupPositionerScreenInfo | |
| PopupPositionRequest |
| PopupPositionerParameters | Provides positioning parameters to IPopupPositioner. |
| IManagedPopupPositionerPopup | |
| IPopupPositioner | Positions an IPopupHost. |
| CustomPopupPlacementCallback | Represents a method that provides custom positioning for a Popup control. |
| ManagedPopupPositionerPopupImplHelperMoveResizeDelegate |
| PopupAnchor | Defines the edges around an anchor rectangle on which a popup will open. |
| PopupGravity | Defines the direction in which a popup will open. |
| PopupPositionerConstraintAdjustment | Defines how a popup position will be adjusted if the unadjusted position would result in the popup being partly constrained. |