Re: IEnumerator Question
Gordon Padwick wrote:
public class PeopleEnum : IEnumerator
{
.. .
public bool MoveNext()
{
position++;
return (position < _People.Length);
}
. . .
}
My understanding is that the PeopleEnum class is derived from the
IEnumerator class
To be precise, PeopleEnum implements IEnumerator interface.
of which the members include the MoveNext method with a
return type of bool.
So, in the class PeopleEnum class definition, why is it necessary to =
again
define the MoveNext method?
An interface declares some methods. A class that wants to implement the =
interface needs to implement all its methods.
If you are familiar with C++, a C# interface is similar to a C++ class =
with no data members, and all methods being pure virtual. If you are =
familiar with COM, a C# interface is similar to a COM interface.
--
With best wishes,
Igor Tandetnik
With sufficient thrust, pigs fly just fine. However, this is not =
necessarily a good idea. It is hard to be sure where they are going to =
land, and it could be dangerous sitting under them as they fly overhead. =
-- RFC 1925