PB动态数据窗口的改进

An improved PB dynamic datawindow

在剖析PB窗口数据组织的基础上,指出系统提供的动态数据窗口技术的缺陷,提出一种改进算法,通过将静态数据窗口的界面友好性和动态数据窗口的应用灵活性融合在一起.该算法可作为独立的函数存放在PB公共类库中,方便地应用到系统的其他功能模块,具有很高的通用性和可重用性.最后以代码表通用维护动态窗口的实现为例,详细介绍其实现的关键技术,在实际的应用中显示了该算法的应用价值.

On the base of analyzing the data-structure of PowerBuilder datawindow, the paper point disadvantages of dynamic datawindow provided by PB system and put forward an arithmetic, which united friendliness of static datawindow in flexibility of dynamic datawindow. This arithmetic has high commonality and reusability. It can be saved in the PB Public Class Library as an independent function and applied to others module easily Finally, the key techniques are described in detail through the realization of general-code-table-maintenance-dynamic-datawindow. All results shows that this arithmetic has value well in the application.