public void ScrollUpVoice()
    {
        float cellSizeY = DirectoriesParent.GetComponent <GridLayoutGroup>().cellSize.y;

        if (DirectoriesParent.GetComponent <RectTransform>().offsetMax.y > 0)
        {
            DirectoriesParent.GetComponent <RectTransform>().offsetMax = new Vector2(DirectoriesParent.GetComponent <RectTransform>().offsetMax.x,
                                                                                     DirectoriesParent.GetComponent <RectTransform>().offsetMax.y - cellSizeY * 4);
        }
    }
    public void ScrollDownVoice()
    {
        float cellSizeY = DirectoriesParent.GetComponent <GridLayoutGroup>().cellSize.y;
        float totalSize = DirectoriesParent.transform.childCount * cellSizeY;

        if (DirectoriesParent.GetComponent <RectTransform>().offsetMax.y < totalSize)
        {
            DirectoriesParent.GetComponent <RectTransform>().offsetMax = new Vector2(DirectoriesParent.GetComponent <RectTransform>().offsetMax.x,
                                                                                     DirectoriesParent.GetComponent <RectTransform>().offsetMax.y + cellSizeY * 4);
        }
    }
    IEnumerator ScrollUp()
    {
        yield return(new WaitForSeconds(2f));

        float cellSizeY = DirectoriesParent.GetComponent <GridLayoutGroup>().cellSize.y;

        do
        {
            if (DirectoriesParent.GetComponent <RectTransform>().offsetMax.y > 0)
            {
                DirectoriesParent.GetComponent <RectTransform>().offsetMax = new Vector2(DirectoriesParent.GetComponent <RectTransform>().offsetMax.x,
                                                                                         DirectoriesParent.GetComponent <RectTransform>().offsetMax.y - cellSizeY * 4);
            }

            yield return(new WaitForSeconds(2f));
        }while (scrollUp_Gazed);
    }
    IEnumerator ScrollDown()
    {
        yield return(new WaitForSeconds(2f));

        float cellSizeY = DirectoriesParent.GetComponent <GridLayoutGroup>().cellSize.y;
        float totalSize = DirectoriesParent.transform.childCount * cellSizeY;

        do
        {
            if (DirectoriesParent.GetComponent <RectTransform>().offsetMax.y < totalSize)
            {
                DirectoriesParent.GetComponent <RectTransform>().offsetMax = new Vector2(DirectoriesParent.GetComponent <RectTransform>().offsetMax.x,
                                                                                         DirectoriesParent.GetComponent <RectTransform>().offsetMax.y + cellSizeY * 4);
            }

            yield return(new WaitForSeconds(2f));
        }while (scrollDown_Gazed);
    }