Version: 2019.2

Selectable.FindSelectableOnLeft

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public UI.Selectable FindSelectableOnLeft ();

Returns

Selectable The Selectable object to the left of current.

Description

Find the selectable object to the left of this one.

using UnityEngine;
using System.Collections;
using UnityEngine.UI; // required when using UI elements in scripts

public class ExampleClass : MonoBehaviour { public Button btnMain;

public void Start() { //Finds and assigns the selectable to the left of the main button. Selectable newSelectable = btnMain.FindSelectableOnLeft();

Debug.Log(newSelectable.name); } }