巧用VFP中的列表框ListBox控件

Using List Box Control in VFP

VFP中的列表框List Box控件,为程序设计、查询、修改、运行提供了方便。然而,用户必须懂得查询语句的基本语法,修改查询文件或selcet语句的关键字,重新定义查询,这无疑增加了使用难度。通过增加或移去列表框控件值的方法设置查询条件,用户使用起来会更加便捷。

The ListBox control in VFP provides convenience for program design, query, modify and operation. However, the user must understand the basic syntax of the query, the keywords of modify the query file or select statement, refine the query, which undoubtedly increases the difficulty of use. To set query conditions by adding or removing a list box controls, it will be more convenient for uses to use.