Version: 2019.1
public bool fillCenter ;

Description

Whether or not to render the center of a Tiled or Sliced image.

This will only have any effect if the Image.sprite has borders.

using UnityEngine;
using System.Collections;
using UnityEngine.UI;

public class FillCenterScript : MonoBehaviour { public Image xmasCalenderDoor;

// removes the center of the image to reveal the image behind it void OpenCalendarDoor() { xmasCalenderDoor.fillCenter = false; } }