internal DiffDataTypeMember(DiffDataType diffType, int index) { this.diffType = diffType; this.Index = index; this.Item1 = index < diffType.SourceItem1.Items.Count ? diffType.SourceItem1.Items[index] : null; this.Item2 = index < diffType.SourceItem2.Items.Count ? diffType.SourceItem2.Items[index] : null; }