abstract class

Interface part of the interface or abstract class can be used to achieve.

接口部分可使用接口或抽象类来实现.

Observer-interface or abstract class defining the operations to be used to notify this object.

观察者 - 一组接口或抽象类,定义了通知某些对象的操作.

For more information, see How to: Implement an Abstract Class ( Class Designer ).

有关更多信息, 请参见如何: 实现抽象类 ( 类设计器 ).

An abstract class may contain abstract methods and accessors.

抽象类可以包含抽象方法和抽象访问器.

Derived classes of the abstract class must implement all abstract methods.

抽象类的派生类必须实现所有抽象方法.

An abstract class that implements an interface might map the interface methods onto abstract methods.

实现接口的抽象类可以将接口方法映射到抽象方法上.

A class with a pure virtual is an abstract class.

带纯虚函数的类为抽象类.

From the Class Designer toolbox, drag a Class or Abstract Class item onto a class diagram.

从类设计器工具箱中, 将“类”或“抽象类”项拖到类图上.

What is the difference between an Interface and an Abstract class?

接口与抽象类间的区别?

This abstract class is the superclass of all classes representing an output stream of bytes.

该抽象类是所有表示字节输出流的类的父类.