Gets or sets the container that all manipulation events and calculations are relative to.
Assembly: PresentationCore (in PresentationCore.dll)
You can specify that the position should be relative to another element by setting the property. For example, you can make the manipulation positions relative to the parent of the element that receives the manipulation events. The ManipulationStarting event handler is the only place in which you can set the .
For more information about manipulations, see the Input Overview. For an example of an application that responds to manipulations, see Walkthrough: Creating Your First Touch Application.