扩展编辑器窗体

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor;
public class showwindow : EditorWindow {
    bool groupEnable = false;
    float value1 = 0;
    float value2 = 0;

     [MenuItem("GameObject/show")]
    static void showmywidonw()
    {
        Rect rect = new Rect(0, 0, 500, 500);
        showwindow window = (showwindow)EditorWindow.GetWindowWithRect(typeof(showwindow), rect, false);
        window.Show();
    }

    private void OnGUI()
    {

        if (GUILayout.Button("打开通知",GUILayout.Width(200)))
        {
            this.ShowNotification(new GUIContent("打开通知"));
        }
        if (GUILayout.Button("关闭通知", GUILayout.Width(200)))
        {
            this.RemoveNotification();
        }
        GUILayout.Label("基础设置");
        groupEnable = EditorGUILayout.BeginToggleGroup("启用", groupEnable);
        value1 = EditorGUILayout.FloatField("值1", value1);
        value2 = EditorGUILayout.FloatField("值2", value2);

    }
    //窗体获得焦点
    private void OnFocus()
    {
        Debug.Log("获得焦点");
    }
    //窗体失去焦点
    private void OnLostFocus()
    {
        Debug.Log("失去焦点");
    }
}