GUIContent.tooltip

설명

The tooltip of this element.

The tooltip associated with this content. Read GUItooltip to get the tooltip of the gui element the user is currently over.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    void OnGUI() {
        GUI.Button(new Rect(0, 0, 100, 20), new GUIContent("A Button", "This is the tooltip"));
        GUI.Label(new Rect(0, 40, 100, 40), GUI.tooltip);
    }
}