Expanding furthuer on our code.

EditorWindowTutorial.cs

namespace ZeredaGamesEngine.Core.MusicListsExamples.Example3
{

    #region Attributes

    //[RequireComponent (typeof())]
    //[System.Serializable]

    #endregion

    public class EditorWindowTutorial : EditorWindow
    {

        #region Variables
        ///<summary>  Sets Defaults in update.</summary>
        public static bool setDefaults;

        public bool DebugMode;

        #endregion

        #region Unity Methods

        ///<summary>  Awake is called when the script instance is being loaded.</summary>
        void Awake()
        {

            DebugMode = GetDebugMode;

        }

        ///<summary>  Start is called just before any of the Update methods is called the first time.</summary>
        void Start()
        {

        }

        ///<summary>  Update is called every frame, if the MonoBehaviour is enabled.</summary>
        void Update()
        {

        }

        #endregion

        #region ZeredaGames Methods

        #region Option A

        ///<summary>  Can be used for starting this instance.</summary>
        [MenuItem("Window/Editor Tools/ZeredaGames/Game Making Editor Tools/Open My Custom Editor Window Initialize A")]
        public static void StaticInitializeA()
        {
            EditorWindowTutorial window = (EditorWindowTutorial)EditorWindow.GetWindow(typeof(EditorWindowTutorial));
        }

        #endregion

        #region Option B

        private static EditorWindowTutorial window = null;
        // adjust 0 to organize the list 0 is top so in this scripts set up like is, will result in B, A, C
        [MenuItem("Window/Editor Tools/ZeredaGames/Game Making Editor Tools/Open My Custom Editor Window Initialize B", false, 0)]
        public static void StaticInitializeB()
        {
            window = GetWindow;
        }

        private static EditorWindowTutorial GetWindow
        {
            get
            {
                return (EditorWindowTutorial)EditorWindow.GetWindow(typeof(EditorWindowTutorial), true, "Editor Window Tutorial (Look you can Write w.e you like here!))");
            }
        }

        #endregion

        #region Option C

        [MenuItem("Window/Editor Tools/ZeredaGames/Game Making Editor Tools/Open My Custom Editor Window Initialize C", false, 2)]// adjust 0 to organize the list
        public static void StaticInitializeC()
        {
            window = GetWindowWithRect;
        }
        //Cant add in your own Rect in the place of the new one and make it a static variable when you do.
        private static EditorWindowTutorial GetWindowWithRect
        {
            get
            {
                 return (EditorWindowTutorial)EditorWindow.GetWindowWithRect(typeof(EditorWindowTutorial),new Rect(100,100,500,500), true, "Editor Window Tutorial (Look you can Write w.e you like here!))");
            }
        }

        #endregion

        public static bool UseA = true, UseB = false, UseC = false;

        public void Init()
        {
            if (UseA)
                StaticInitializeA();
            if (UseB)
                StaticInitializeB();
            if (UseC)
                StaticInitializeC();
            //Start writting here
        }

        public bool GetDebugMode
        {
            get
            {
                string message = PlayerPrefs.GetString("DebugMode");
                if (message == "true")
                {
                    DebugMode = true;
                    return DebugMode;
                }
                else {
                    DebugMode = false;
                    return DebugMode;
                }
            }
        }

        #endregion
    }
}

#endregion