摘要：
is operator - shows if object x is of type y. If this condition is true, then you can cast the instance to the given type. This accounts for inheritance. For example, all types (such as System.Int32) ... 阅读全文
posted @ 2008-11-14 17:41 {:) 阅读(429) 评论(0) 推荐(0) 编辑