Selectable.targetGraphic

Description

Graphic that will be transitioned upon.

#pragma strict
// Required when Using UI elements.
public var newImage;
public var btnMain;
function SomeFunction() {
	//Displays the sprite transitions on the image when the transition to Highlighted,pressed or disabled is made.
	btnMain.targetGraphic = newImage;
}

using UnityEngine;
using System.Collections;
using UnityEngine.UI; // Required when Using UI elements.

public class ExampleClass : MonoBehaviour 
{
	public Image newImage;
	public Button btnMain;

	void SomeFunction ()
	{
		//Displays the sprite transitions on the image when the transition to Highlighted,pressed or disabled is made.
		btnMain.targetGraphic = newImage;
	}
}