ADO访问数据库，实现BLOB数据：bmp，jpg图像的存取，并用ListBox显示数据库字段列表-ADO database and achieve BLOB data : bmp, jpg image access, ListBox and use database fields show list

Data-aware TImage component. Automatically recognize the image format of BLOB field and shows pictures in BMP and JPG formats

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"