Protocol

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

Overview

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.

Topics

Getting Scaling Factor

- backingScaleFactor

Returns the scale factor for drawing the on-screen control to the current screen.

Required.

Relationships