Load objects editor example

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor;

public class ExampleEditor : EditorWindow {

    GameObject[] myObjects;

    [MenuItem ("Window/My Window")]
    static void Init () {
        ExampleEditor window = (ExampleEditor)EditorWindow.GetWindow (typeof (ExampleEditor));
        window.Show();

    }

    void OnEnable() {
        LoadObjects ();
    }

    void LoadObjects() {

        GameObject[] allObjs = Resources.FindObjectsOfTypeAll<GameObject> ();
        List<GameObject> objsWithTag = new List<GameObject> ();

        foreach (GameObject o in allObjs) {
            if (o.tag == "myTag") {
                objsWithTag.Add (o);
                Debug.Log ("Add: " + o.name);
            }
        }

        myObjects = objsWithTag.ToArray ();
    }

}