public static void ViewDestroy()
        {
            bSelectCraftOutput = null;
            bSelectCraftInputA = null;
            bSelectCraftInputB = null;

            txtCraftOutput = null;
            txtLow         = null;
            txtCraftInputA = null;
            txtCraftInputB = null;

            sldLow = null;
            View.Dispose();
        }