FxOnScreenControlAPI_v3
The FxOnScreenControlAPI_v3 protocol specifies additions to the Fxonscreencontrolapi protocol which defines the methods the host application provides to manage conversions between various on-screen coordinate spaces.
Declaration
protocol FxOnScreenControlAPI_v3 : FxOnScreenControlAPI_v2Overview
This protocol inherits from, and expands on, the FxOnScreenControlAPI_v2 protocol. It can retrieve information about the scaling factor used to draw on screen controls to the screen.