Selectable.FindSelectable

Parameters

Returns

Selectable The neighbouring Selectable object. Null if none found.

Description

Finds the selectable object next to this one.

The direction is determined by a Vector3 variable.

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

public class ExampleClass : MonoBehaviour
{
    //Sets the direction as "Up" (Y is in positive).
    public Vector3 direction = new Vector3(0, 1, 0);
    public Button btnMain;

    public void Start()
    {
        //Finds and assigns the selectable above the main button
        Selectable newSelectable = btnMain.FindSelectable(direction);

        Debug.Log(newSelectable.name);
    }
}