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I. In-process components and out-of-process Components As mentioned above, COM components support both in-process components and out-of-process components. The advantage of in-process components is fast and convenient. However, if any component crashes, the main process will crash. Components outside the process are slow but stable. If a component crashes somewhere, at most there is no result and the main process will not crash (for example, if the

For beginners, COM is not a very clear definition. It represents both a component specification and an implementation. In short, COM is a component model at the language layer, because different development environments often need to cooperate with each other to complete a certain function, thus promoting the emergence of COM.

Part of this section requires the reader to be familiar with the message invocation principle of COM, and the principle of this is as shown in Mr. Yang's column. Previous content: COM Server--> COM client ... COM server-->. NET Client 1, P/invoke 2, COM Interop (conten

What is COM?The so-called COM (Componet Object Model, Component Object Model) is a specification that describes how to establish dynamically changing components. This SPECIFICATION provides a way to ensure interoperability, some binary and network standards that customers and components should follow. This standard allows communication between any two components without considering whether the operating env

Delphi object-oriented Learning Article 7: COMAuthor: banhamtHttp://www.cnpack.org(Please indicate the source and keep it complete)In the previous article, we introduced interfaces. If you have never touched the COM object, you will find the interface really troublesome. You may have the idea of "It is better to define a class directly for convenience.Indeed, interfaces without com encapsulation are really

1, the object-oriented system of the three most basic characteristics Encapsulation, polymorphism, reusability. 2, COM characteristics of the overview The encapsulation characteristics of COM objects are very thorough, all object state information must be accessible through an interface, while COM polymorphism is fully represented by the interface, and

All outstanding programmers will do their best to make their programs more reusable, because it allows you to quickly write more robust and scalable programs. There are two options for code reuse: 1. white box: the simplest one is to copy your program to another file.2. Black Box: it includes connecting compiled program slices. Therefore, the compiled black box class library that can be called by the client is called a component. . Net also provides developers with methods similar to

All outstanding programmers will do their best to make their programs more reusable, because it allows you to quickly write more robust and scalable programs. There are two options for code reuse: 1. white box: the simplest one is to copy your program to another file.2. Black Box: it includes connecting compiled program slices. Therefore, the compiled black box class library that can be called by the client is called a component. . Net also provides developers with methods similar to

All good programmers will do their best to make the program they write more reusable, because it allows you to quickly write more robust and upgradeable programs.There are two choices to make code reuse:1. White box: The simplest one is to copy your tablet to another file.2. Black box: It consists of connecting the compiled pieces of the program. So the compiled black box class library that the client can invoke is called a component.. NET also provides developers with a way to build and expand

COM Technology related websites：Http://www.cppblog.com/mzty/archive/2005/12/23/2002.html The theoretical knowledge that must be mastered for COM programming with VCHttp://www.vckbase.com/vckbase/columnist/yangfeng/index.asp Mr. Yang's personal columnhttp://www.vckbase.com/document/viewdoc/?id=212 COM Programming Primer 1http://www.vckbase.com/document/viewdoc/?id

All excellent Program Members will do their best to make their programs more reusable, because it allows you to quickly write more robust and upgradeable programs. There are two ways to makeCodeReuse options: 1. white box: the simplest one is to copy your program to another file.2. Black Box: it includes connecting compiled program slices. Therefore, the compiled black box class library that can be called by the client is called a component. . Net also provides developers with methods simila

Sqlite3 com Sqlite3 com vs. SQLite com Sqlite3 improvements:Http://www.newobjects.com/pages/ndl/SQLite3%5Ccomparison23.htm The table lists the most significant features of sqlite3 COM and SQLite COM. it covers both t

Com -- Component Object Model (Component Object Model) is a set of software development methods and specifications proposed by Microsoft. It also represents a software development idea, that is, the idea of component-oriented programming.COM programming ideology-component-oriented programming ideology (COP) As we all know, the transition from process-oriented programming to object-oriented programming is realized from C to C ++. The emergence of

1, the understanding of COM objects COM objects are similar to the concepts of classes in C + + language, each instance of a class represents a COM object, it also includes attributes (i.e., state) and methods (i.e., operations), and States reflect the existence of objects, the method being interfaces. 2, COM object

Yesterday saw the first chapter of "com Essence", "com is a better C + +", feel it is necessary to do some notes, so organized into this article, I believe you deserve to have.The main content of this article is: A class faststring that implements the fast lookup function, which slowly evolves into a COM component after a small requirement. Class Faststring imple

1, the implementation of COM and operating system platform is closely related Because COM originated in the Microsoft Windows platform, the COM implementation part (that is, the COM library) uses some of the features of the Windows system directly, such as the system registry, the dynamic Connection library, and so on

Answer this question]Article, You can apply the following response: This question is not over yet. You can answer the question score. I want to reply to this question. Issuer Subject(Response data: 3/reply count: 99) sundy6719 member Male 28 Taiwan 104 posting articles 0-point answer score 20.8-point total score published on-2004/05/23: 01:52:34 is MTS and COM