what com interface

Arcobject description Chapter 1 Understanding ArcObjectsWelcome to the world of AO (abbreviated as ArcObjects! This section introduces you to the world of AO and answers some related questions, such as: What is AO, why does AO make development more

COM component program: module, which can be a dynamic connection library (DLL) & executable program (exe), called in-process component) & External process component (out-of-process component ). COM Object: it is based on binary executable code.

The idispatch interface is the core of COM automation. In fact, the idispatch interface is also very simple, there are only four methods: IDispatch : public IUnknown { public: virtual HRESULT STDMETHODCALLTYPE GetTypeInfoCount(

1. The action component of the interface can be deleted from the application and replaced by another component, as long as the new component supports the same interface. A single component does not play a decisive role. On the contrary, interfaces

Rules of Component Object Model Charlie KindelProgram Administrator, Windows NTOctober 20, 1995 Summary This article aims to provide a quick reference for using and implementing the Microsoft Component Object Model (COM. If you want to better

Events and notifications (vc6.0) Author: Instructor Yang Download source code I. PrefaceA window is generated when my COM component is running. When you double-click the window, I need to notify the caller;My COM component downloads a file on the

The fifth chapter is a post-reading experience. In general, the viewpoint is consistent. In particular, to design a new project, solving the core technical problems is the key design method for success or failure, I think this is only the first step

Use Visual C ++ to develop database applications (1) 1. Overview 1. 1. Features of Visual C ++ database development Visual C ++ provides a variety of Database Access Technologies-odbc api, mfc odbc, DAO, ole db, and ADO. These technologies have

  Topic of this article: FF plugins encapsulates the IE Activex control.   There are two main points:   1. Call the COM interface in c ++. 2. Data type conversion.   Specific analysis:   1. How to call the COM interface in c ++:   @ 1 initialize the

As a beginner, We need to assemble a computer that can be used. The first problem we need to solve is how to smoothly connect many computer accessories and connections? To complete this task, you must have a deep understanding of various connections

Microsoft SQL Server 2000 supports extended stored procedures, allowing you to write components in other languages to expand database functions. In the past, Local Code such as VC can be directly put into the System32 directory after the dynamic

When I first came into contact with this problem, I found that the API provides a COM interface call, And IShellLink will allow you to create a shortcut. You need to create a shortcut on the desktop, you just need to save the shortcut to the desktop

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Turn: http://www.bc-cn.net/Article/kfyy/vc/jszl/200601/3006_2.html I. Preface After the book is connected, the problem of saving XLS (Excel) data has been solved in the DOC (Word) composite file. Then, we need to solve another problem: when the

Developer: Programming A long time ago, in the dark past, Nigel Thompson wrote a series of technical notes about Ole programming called "Ole dummies. At that time, he was able to hear from the top and bottom of the corridor screaming and

This article Reprinted from: http://www.kuqin.com/components/20070908/946.html I. Preface After the book is connected, the problem of saving XLS (Excel) data has been solved in the DOC (Word) composite file. Then, we need to solve another

Graphic ProcessingA Simple Method for displaying JPEG and GIF images under VCI. IntroductionThe JPEG image compression standard is a Lossy image compression standard. However, the image quality after compression is basically unchanged due to the

Preface: if you are using a Windows Server server, you can find the function of connecting to multiple remote desktops, but you cannot use the XP operating system. The Remote Desktop function uses the mstsc file. In the System32 folder, you can find

Microsoft has made a lot of interfaces for programming with DirectX brothers. We can see below ildasm that there is only one class named filgraphmanagerclass. In fact, I have read it carefully, there are not many large functions. DirectX is divided

COM Component Design and Application (13)Events and notifications (vc6.0)Author: Instructor Yang Download source code I. PrefaceA window is generated when my COM component is running. When you double-click the window, I need to notify the caller;My