System.Windows.Presentation

is used by Windows Presentation Foundation (WPF) add-ins to convert between a and an .

Returns a that has been converted from an .

A that will be displayed from either the host application or add-in, depending on the direction in which the UI is passed between the two. The that was passed across the isolation boundary between the host application and the add-in.

Returns an that has been converted from a .

An that is passed from either the host application or the add-in, depending on the direction in which the UI is passed between the two. The to be passed across the isolation boundary between the host application and the add-in. is not the root element of a tree of elements.