| 1. | A single class and inherit its method implementations 一个类并继承其方法实现。 |
| 2. | And add new properties to the derived class 派生类并向派生类添加新属性时都重写 |
| 3. | Class and use the pop - up menu to add attributes 类并使用弹出菜单添加属性。 |
| 4. | Class and provides support for data validation 类并提供对数据验证的支持。 |
| 5. | To create a new exception class and map it to an hresult 新建异常类并将其映射到hresult |
| 6. | Class and provides information and links about its members 类并提供其成员的信息和链接。 |
| 7. | Class and support the properties defined in the base class 类并支持在基类中定义的属性。 |
| 8. | Class and has links to all its members 类并提供指向其所有成员的链接。 |
| 9. | Class that you defined and receiving an array of item objects 类并接收一个item对象数组。 |
| 10. | Add a class and configure it to inherit from 添加一个类并将其配置为从 |