PowerBuilder环境下图像的处理方法

Image Processing Methods in PowerBuilder

在PowerBuilder环境下,存储图像、显示图像都有多种方法,不同的方法具有不同的特点.综合地叙述了在PowerBuilder环境下以文件方式、直接存入数据库表的方式和OLE对象方式存储图像的方法,以及在窗口中以图像控件、OLE容器控件、数据窗口显示图像的各种方法,并比较了各种不同方法的优缺点.

Within PowerBuilder, there are various methods in saving images and displaying images, which own different characteristics. This paper synthetically described various methods of saving image by means of files, saving in database directly and OLEobject. It also described various methods of displaying image by means of picture control, OLE Container control and DataWindow. The merit and shortcoming of each method are compared meanwhile.