摘要： In this chapter, you will learn how to work with the input/output (I/O) system within the Microsoft .NET Framework. The basics of the I/O system include accessing files and folders in the file syste... 阅读全文

摘要： 经常地，你需要在不同的两个类型之间进行转换. For example, you might need to determine whether an Integer is greater or less than a Double. You might need to pass a Double to a method that requires an Integer as a param... 阅读全文