利用VB建立父子关系的Command对象，使用了DataEnvironment1.Dsr和DataReport1.Dsr文件对象，生成父子关系的Command对象窗口实例，简单的VB源码例子。-Using VB to establish paternity Command object using DataEnvironment1.Dsr and DataReport1.Dsr file object, Command object generated paternity window instance, a simple VB source code examples.