static void SetFlagEnabled(ActiveTransformSnapping flag, bool enabled)
        {
            var prevEnabled = IsFlagEnabled(flag);

            if (prevEnabled == enabled)
            {
                return;
            }
            if (enabled)
            {
                TransformSettings |= flag;
            }
            else
            {
                TransformSettings &= ~flag;
            }
        }
 static bool IsFlagEnabled(ActiveTransformSnapping flag)
 {
     return((TransformSettings & flag) == flag);
 }