使用微软.NET fr a mework的System.IO命名空间下的FileStream文件流类，实现对二进制大对象轻松进行读写。这是一个用VS2005编写的WinForm程序，通过打开一个bmp或者jpg大文件，让其显示在图形控件PictureBox中。通过“Save”按钮存入数据库。点击“View”CheckBox可以切换到浏览状态，观看存入数据库的图片。对二进制大对象使用的流操作，对于任何文件都具有通用性，读写文本文件也可以这么做。

-Microsoft. NET fr a mework' s System.IO namespace FileStream file stream classes, to achieve the easy to read and write binary large object. This is a WinForm program written with VS2005, bmp or jpg by opening a large file, display it in the PictureBox control in the graph. Through the " Save"　button in the database. Click the " View"　CheckBox can switch to view the status, view pictures stored in the database. Use of binary large object stream operations, for any file with a versatile, read and write text files can also do so.