面向对象程序设计中的对象层次问题

On Object Hierarchy in Object-Oriented Programming

面向对象程序设计中的对象引用,必须指明相应的层次关系,就Visual Foxpro中对象的层次结构、引用方式、对象属性的设置以及对象的调用方法作了分析论述,这对程序中代码段的正确书写与执行均有着十分重要的作用。

Object reference must point out corresponding hierarchy in Object-Oriented Programming. This paper deals with object hierarchical structure, cite mode, set-up of attribute and invocation method in Visual Foxpro, which is of great importance to the writing and execution of the code segments.