(1)namespace classlibrarysport

{

    public abstract class sport

    {

        protected string name;

        public abstract string getname();

        public abstract string getduration();

    }

}

= = = = = == = == = == = == = == = == = == = == = == = == = == = == = == = == = == = =

(2)namespace classlibrarysomesports//该项目添加了对(1)的引用

{

    public class football : classlibrarysport.sport

    {

        public football()

        {

            name = "football";

        }

        public override string getname()

        {

            return name;

        }

        public override string getduration()

        {

            return "four 15 minute quarters";

        }

    }

}

= = = = = == = == = == = == = == = == = == = == = == = == = == = == = == = == = == = =(文章来源 www.iocblog.net)
 

[1] [2] 下一页