Unity 编辑器扩展自定义窗体

using UnityEngine;
        using UnityEditor;

        public class MyEditor : EditorWindow
        {
            [MenuItem("GameObject/window")]
            static void AddWindow()
            {
                Rect wr = new Rect(0, 0, 500, 500);
                MyEditor window = (MyEditor)EditorWindow.GetWindowWithRect(typeof(MyEditor), wr, true, "盘子脸");
            }

            private string text;
            private Texture texture;

            public void Awake()
            {
                texture = Resources.Load("1") as Texture;
            }

            void OnGUI()
            {
                text = EditorGUILayout.TextField("输入文字", text);

                if (GUILayout.Button("打开通知", GUILayout.Width(200)))
                {
                    this.ShowNotification(new GUIContent("This is a Notification"));
                }

                if (GUILayout.Button("关闭通知", GUILayout.Width(200)))
                {
                    //关闭通知栏
                    this.RemoveNotification();
                }

                EditorGUILayout.LabelField("鼠标在窗口的位置", Event.current.mousePosition.ToString());
                texture = EditorGUILayout.ObjectField("添加贴图", texture, typeof(Texture), true) as Texture;
                if (GUILayout.Button("关闭窗口", GUILayout.Width(200)))
                {
                    //关闭窗口
                    this.Close();
                }
            }


            void OnFocus()
            {
                Debug.Log("当窗口获得焦点调用一次");
            }

            void OnLostFocus()
            {
                Debug.Log("当窗口丢失焦点调用一次");
            }

            void OnHierarchyChange()
            {
                Debug.Log("当Hierarchy视图中的任何对象发生改变时调用一次");
            }

            void OnProjectChange()
            {
                Debug.Log("当Project视图中的资源发生改变时调用一次");
            }

            void OnInspectorUpdate()
            {
                this.Repaint();
            }

            void OnSelectionChange()
            {
                foreach (Transform t in Selection.transforms)
                {
                    Debug.Log("OnSelectionChange" + t.name);
                }
            }

            void OnDestroy()
            {
                Debug.Log("当窗口关闭时候调用");
            }
        }