Gets or sets the origin of the Pinning Position property, relative to the overlay. By default, the value of this property is ScreenOverlayPinningOrigin.Automatic, which indicates that the origin of the Pinning Position property is the same as the Origin property of the screen overlay. See Screen Overlay Pinning Origin for a list of the possible pinning origins and a description of how the pinning origin affects the measurement of the overlay's position property.

Read-write property

IAgStkGraphicsOverlay Interface  | Screen Overlays Overview - Pinning