immutable class c#

1. Calling public methods directly in C + + class LibraryUse the DllImport attribute to invoke a method, such as a public method in a C + + class library SampleCppWrapper.dll:extern " C " int __stdcall Add (intint n2);__stdcall represents the calling convention: parameters a

of a completely new type. A typedef is required to define a new type in the C language.In the equivalence definition above, the left side in the C language, the compiler thinks the struct defines a set of variables, and the set of this variable has a name called _tag_student, which is not a new type, and if it is to be used as a type, You must use the TypeDef keyword to define a type name. In the definitio

C + + classes have several types of data members: normal type, constant (const), static (static), and static Const. Here are the following ways of initializing them before and after c++11 respectively.Initialization of previous versions of C++11Before c++11, regular data member variables can only be initialized in cons

Core :C + + 's class is to extend the structure of the language, and C + + structure can contain functions!- -----------------------------------------------------we are Learning C + + Why review C language What about the structure? In the textbook I've read about

Note: The following content may not be reproduced without the consent of the blogger.Analytical:Here are the differences between the two cases.(1) The difference between C's struct and C + + class. (2) The difference between struct and class in C + +.In the first case, there is a very clear distinction between struct a

Abstract data type (abstract datatype): Uses encapsulation to hide the data structure of its implementation, allowing programmers of the type to think abstractly about what the type does, rather than specifically considering how the type is represented. Classes in C + + can be used to define abstract data types.Access label (Access label): Public, private, protected, which specifies that subsequent members can be accessed by the class's consumer or on

Always think that with the Export class DLL only VC itself can be called, other programming languages cannot be called, today saw an article just know that they are wrong.6547931The first "Ice Yi years" elder brother asked me how to call, I casually answer: This is relatively simple ...Later he told me: your instance is C # calling the C + + export function, not

Chapter 2 class constructor, destructor, and assignment function Constructors, destructor, and assignment functions are the most basic functions of each class. They are so common that they are easy to paralyze. In fact, these seemingly simple functions are as dangerous as the sewers without the top cover. Each class has only one destructor and one value ass

// ================================================ ====================================// TITLE:// C ++ vs c # (8): Class Definition// AUTHOR:// Norains// DATE:// Thursday 17-jaruary-2011// Environment:// Visual Studio 2010// Visual Studio 2005// ================================================ ==================================== 1.

C # Use the class keyword to define the class. Its basic structure is as follows: Class myclass { // Class member } After defining a class, you can access other places in the project to instantiate the

interface cannot be instantiated;The method in the interface has no method body {};The class that inherits the interface must implement the method defined in the interface;Class can be instantiated, you can define your own fields, properties, methods, and so on;A class can inherit more than one interface, but only a single cl