转型问题
摘要：
错误的写法：class Program { static void Main(string[] args) { Employee e = new Employee(); Manager m = (Manager)e; } } class Employee { } class Manager : Employee { }正确写法：class Program { static void Main(string... 阅读全文
posted @ 2011-11-09 23:08 CodeSummer 阅读(129) 评论(0) 推荐(0) 编辑
