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;
}