Documentation

Unity Engine

User Manual

Script Reference

Unity Engine

Alt

Is Alt/Option key held down?
Read time 1 minuteLast updated 5 days ago

Definition

  • Type: Field
  • Namespace: UnityEngine
  • Assembly: UnityEngine.CoreModule
Alt = 4

Remarks

Additional Resources: Event.alt.

Examples

using UnityEngine;using UnityEngine.UIElements;[RequireComponent(typeof(UIDocument))]public class Example : MonoBehaviour{    // Prints Option or Alt key was pressed depending on the    // platform where this script is running.    void OnEnable()    {        var button = new Button();        button.RegisterCallback<ClickEvent>(e =>        {            if ((e.modifiers & EventModifiers.Alt) != 0)            {                if (Application.platform == RuntimePlatform.OSXEditor)                {                    Debug.Log("Option key was pressed");                }                else if (Application.platform == RuntimePlatform.WindowsEditor)                {                    Debug.Log("Alt Key was pressed!");                }            }        });        GetComponent<UIDocument>().rootVisualElement.Add(button);    }}