Study on method of picture files processing in PowerBuilder

Pictures are one of the important elements of which the application is composed. A programmer is able to choose suitable treatment according to the system requirement. In PowerBuilder picture control and ole control are the most commonly-used methods; blob data type field is used to access picture files in database and function of data window is used to display pictures dynamically. Each method has its own characteristics and application conditions. This article discusses and explores the methods of storage and display of picture files in PowerBuilder.