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博客园 - kwame

CXX0017错误的解决办法 基础知识--变量和常量 - kwame - 博客园 基础知识--Boxing & unBoxing 基础知识--值类型和引用类型 用Visual C#创建Windows服务程序 (转)用C语言编写Windows服务程序的五个步骤 昨天的事今天来写也叫昨天的日记吧?? 我是个被窥视狂? 一个馒头和一个*六*合*彩*网站引发的血案 *六*合*彩*网站也能做成这样不容易呀! 取得一段汉语的每个字的首字母 写入、读取 cookie 无聊顺便复习了下前面学的东西! 网页效果集合(小技巧) Oracle中隐式游标和显式游标的教训[同事的经历] C#.net word 受控编程系列1-向word中插入图片 安装和部署企业程序库(Installation and Deployment of Enterprise Library) OA需要分析3 OA需求分析2 OA需求分析1
基础知识--is & as 的区别 - kwame
kwame · 2006-07-14 · via 博客园 - kwame

1)is 运算符
is运算符可以检查对象是否与特写的类型兼容。例如,要检查变量是否与object类型兼容
int i=10;
if (i is object)
{
//everything's an object in C#
Console.WriteLine("i is an object");
}

2) as
还不知道,谁帮我补充一下行不?