protected override void OnSourceSet()
        {
            if (_Source != null)
            {
                if (Destination != null)
                {
                    _Equality = Destination.Compare(_Source, eCompareMode.Full);
                    if (_Equality.Blocking)
                    {
                        _ImageIndex = MajorConflict;
                        return;
                    }

                    if (_Equality.Major)
                    {
                        _ImageIndex = MinorConflict;
                        return;
                    }

                    if (_Equality.HasEqualityType(eNodeEquality.reference))
                    {
                        _ImageIndex   = 0;
                        _ImportAction = eImportAction.Theirs;
                        return;
                    }
                }
            }
        }