文件操作，文件读写，文档序列化，文件保存-File operations, file reading and writing, document sequence, the file is saved

读写二进制文件，简单程序，可以作为程序开发时的参考-Reading and writing binary files, a simple procedure, can be used as a reference when program development

VC++向txt文档写入的实例程序。点击button，弹出保存路径对话框。-A file(txt) write programe

integer li_FileNum blob emp_id_pic SELECTBLOB salary_hist INTO : emp_id_pic FROM Employee WHERE Employee.Emp_Num = 100 USING Emp_tran; li_FileNum = FileOpen( "C:\EMPLOYEE\EMP_PICS.BMP"