Theres' No dispose question if you create the List immediately. If you choose the iterator path, you must deal with lifetime of the IEnumerator In this example, members of these interfaces are not explicitly called, but they are implemented to support the use of foreach (for each in Visual Basic) https://anten30628.blog-mall.com/28521814/değil-hakkında-gerçekler-bilinen-c-ienumerator-kullanımı