EditorUtility.DisplayPopupMenu

説明

ポップアップメニューを表示します。

Menu is shown at position pos, generated from a submenu specified by menuItemPath using a MenuCommand as menu context.

using UnityEditor;
using UnityEngine;
using System.Collections;

// Shows the Assets menu when you right click on the contextRect Rectangle.
public class EditorUtilityDisplayPopupMenu : MonoBehaviour {
    void OnGUI() {
        Event evt = Event.current;
        Rect contextRect = new Rect(10, 10, 100, 100);
        if (evt.type == EventType.ContextClick) {
            Vector2 mousePos = evt.mousePosition;
            if (contextRect.Contains(mousePos)) {
                EditorUtility.DisplayPopupMenu(new Rect(mousePos.x, mousePos.y, 0, 0), "Assets/", null);
                evt.Use();
            }
        }
    }
}