GUIContent.image

public Texture image ;

Description

包含的图标图像。

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    public Texture icon;
    void OnGUI() {
        if (!icon) {
            Debug.LogError("Add a texture on the inspector first");
            return;
        }
        GUI.Button(new Rect(0, 0, 100, 20), new GUIContent(icon));
    }
}