摘要：
One of the new language features introduced with .NET 2.0 was the generic collection. In the past, even as far back as Visual Basic 6.0, you could create a custom collection class for your classes. With .NET 1.0/1.1, you could add objects to standard collection classes like the ArrayList and the Hashtable classes. However, when you looked at the members of those collections, they were not strongly typed and had to be cast back to the original type 阅读全文
