DeMa/Assets/GetMainTexture2D.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Networking;
using UnityEngine.UI;

[ExecuteInEditMode]
public class GetMainTexture2D : MonoBehaviour
{
    public string m_url = "";
    void Start()
    {
        string filePath = System.IO.Path.Combine(Application.streamingAssetsPath+"/Main", m_url);
        SetWebGLText.Instance.GetTexture(filePath+".png", (Texture2D t2d)=> {

            try
            {
                if (GetComponent<RawImage>())
                    GetComponent<RawImage>().texture = t2d;

            }
            catch
            {

            }
        });
    }
}