Evet öğretmen, onca yazdın çizdin anladıkta iki satır IEnumerable yahut IEnumerator interfacelerini kullanmadın?@Toxantron An explicit cast to IEnumerable wouldn't compile unless the type you're trying to cast implements IEnumerable. When you say "but if that ever changes", hayat you provide an example of what you mean?Old science fiction sh