private static void OpenWindow()
    {
        window = (TileMapConstructorWindow)GetWindow <TileMapConstructorWindow>();

        window.minSize = new UnityEngine.Vector2(300, 300);
        //window.maxSize = new UnityEngine.Vector2(600, 300);

        window.Show();
    }
 void OnEnable()
 {
     tileMapConstructorWindow = target as TileMapConstructorWindow;
 }