【C#新手求教帖】看书遇到一个关于继承的问题
代码如下：
public class Enumerator : IEnumerator, IDisposable //这是什么？为什会有两个接口？允许多个接口
{ //被一个类继承么？
private int state;
private object current;
public Enumerator(int state)
{
this.state = state;
}
public bool MoveNext()
{
switch (state)
{
case 0:
current = "Hello";
state = 1;
return true;
case 1:
current = "World";
state = 2;
return true;
case 2:
break;
}
return false;
}
public void Reset()
{
throw new NotSupportedException();
}
public object Current
{
get { return current; }
}
public void Dispose()
{
}
}
