摘要:
derived 派生 ,inherit 继承Using inheritancesealed class can not be inherited.abstract method and class:an abstract method is an empty method that has no implementation.an abstract class is a class that c... 阅读全文
摘要:
something need to achieve 2004/09/13reading Introduction to C# Programming with Microsoft .NET 2609Aand write the reading log2004/09/14write the china portal report to yan-hong huangdebug the disable... 阅读全文