Version: 2017.2

Event.functionKey

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public bool functionKey ;

Description

Является ли текущее нажатие клавиши нажатием функциональной клавиши? (Read Only)

Returns true if the current keypress is an arrow key, page up, page down, backspace, etc. key. If this key needs special processing in order to work in text editing, functionKey is on.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { void OnGUI() { Event e = Event.current; if (e.functionKey) Debug.Log("Pressed: " + e.keyCode); } }