In addition to a border, the Group composite sub-class supports a title.

除了边界之外，Group复合子类还支持标题。

Thus, all controls take a composite parent (or a sub-class) as an argument to the constructor.

这样，所有控件都可以采用一个复合父控件(或者一个子类)作为构造函数的参数。

Encodings for base class, sub-class, and programming interface are provided in Appendix D.

附录D提供了基类、子类和程序接口的具体编码。

To keep the framework simple, all additional SOA error handlers will sub-class from this base class.

要使得框架简单，所有附加的SOA错误处理都将作为继承此基类的子类。

This information is added to the sub-class definition representing that case type under the case folder.

这些信息添加在案例文件夹中代表案例类型的子类定义中。