Difference between IEnumerator and IEnumerable
IEnumerator is an interfaces. An IEnumerator is a that can enumerate. It has 2 methods (MoveNext and Reset) and a property Current. To use IEnumerator is if you want a nonstandard way of enumerating (not iterating one-by-one) and want to define custom iteration. You create a new class implementing IEnumerator. Code Snippet: public class MyCustomIterate:IEnumerator { public object Current { get { throw new NotImplementedException(); } } public bool MoveNext() { throw new NotImplementedException(); } pub...