cannot access private member declared in class

This error often occurs when using classes such as: CArray or CList.The cause of this error is due to the custom class's array entry There is an operation like ADD () in this operation, actually need a = operation, but this = operation is not

PrivateGrammar Private: [member-list] private Base-class NoteWhen you are in the class member list, the Private keyword specifies that these members are accessible only from member functions and friends of that class. This applies to

  First, the access range of the private, public, and protected access labels. PRIVATE: It can only be accessed by 1. functions in this class, 2. Other functions. Cannot be accessed by any other user, nor can the object of this class be

A static member cannot be assigned in the class body because it is shared by all objects of that class. You assign a value to it in an object, and that member of the other object will also change. To avoid confusion, it is not necessary to assign a

When a data member of a class is declared static, the static data member can only be defined once, and is shared by all objects of the same kind. Each object has a copy of every regular data member in the class, but only one instance of the static

The member function of a class is one of the functions, its usage and function is basically the same as the functions described earlier, it also has the return value and the function type, it differs from the general function only: it belongs to a

Java Study Notes 20 --- adding internal classes to member Internal classes (1), Study Notes 20 --- In the previous article, note 19 briefly introduced the internal class, local internal class, and anonymous internal class of the member, and added

Although there is no practical significance, it is helpful to understand the object model of C ++. A few days ago, I saw a post in the forum with the following content:(See original post: http://community.csdn.net/Expert/topic/5014/5014384.xml?

C + + static member functions Like a data member, a member function can also be defined as static, and the preceding addition of a function in a class becomes a static member function. Such as static int volume (); As with static

A function that is described in the class body is called a member function as a member of a class. A general member function, which is defined according to the needs of a certain kind of function. In addition, some special member functions are