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The current project is to develop an add-on for Excel to achieve financial-related business, and after a lot of factors are considered, decide to abandon C # and develop it in C + +. There are two ways to develop Excel add-ins in C + +, one is an Excel add-in XLL, and the other is to use ATL to make COM add-ins. The advantage of the XLL approach is that it is close to the bottom of Excel, executes quickly, and does not need to modify the registry, but

Using WMI to obtain system information procedures As an example of obtaining a native system, the process of obtaining system information is as follows: 1 initialization of the COM library Since the WMI application was written in C + + based on COM technology, the COM library must be initialized, when the call function CoInitializeEx is used to initialize the

The Oracle tutorial you are looking at is that Oracle uses Pl/sql to manipulate COM objects. The Pl/sql is extended by Oracle company to standard SQL, dedicated to programming in Oracle databases, and is a third-generation process programming language. Starting from Oracle8, it provides the process of calling external C language directly from Pl/sql, allowing developers to use PL/SQL for programming modules in C language. Starting with Oracle8i, Java

services|web|xml| check box for simplicity, the examples above all use VBScript to access Web services. The SOAP WSDL moniker can actually be written using Visual c+, Visual Basic 6.0, Visual Basic. NET, or C #. For example, Visual Basic. NET can also use compiled managed code to access the same object, as shown in the following example: Imports System Imports System.Runtime.InteropServices Module wkoclient Sub Main () Dim Wsdlmoniker = "SOAP:WSDL=HTTP://LOCALHOST/CSSOAP/CSSOAP.CALC.SOAP?WSDL"

"There is no difficulty in the world, as long as you are willing to climb", so you must be confident to become a com programmer, and you must be able. In fact, every time we set the text attribute of the text Programming Control, we are already using COM. When the DaO data control runs the movenext method, even when we use VB to control the word, com is also u

COM component and Interface) Xu Shiwei (copyright statement)2007-3-12 In the previous article, I predicted that I would start to introduce winx's support for automation. First, I want to explain the concepts related to automation. There are three sections to describe: Com basics: COM components and interfaces) Variant and idispatch) Automation, OA, secondary

In fact, this method is inherently unscientific. DCOM itself is a form of COM, but since we hear that com generally treats it as a locally executed COM, DCOM, of course, is the Distributed COM, which is executed on another computer on the network. the Difference and connection between

The original:multithreaded model of COMCOM's multithreaded model is one of the most incomprehensible parts of COM technology, and many books are involved but not well understood. Many new people will feel very confused here, Google God can search for an article on the vckbase, but the personal advice is not to look good almost nonsense in the mess.COM does not actually have any multithreaded models, so the multithreaded model he uses is still the set

Python calls the C # Com dll component, Previously, the company had a set of C # AES encryption and decryption solutions, but the solution uses the Rijndael class for encryption, rather than the four AES models (ECB, CBC, CFB, OFB, these four types Use the RijndaelManaged class. In Python, the Crypto library AES only has these four modes. In this case, the C # AES Rijndael class encryption effect cannot be achieved in Python. Similar to the functions

In PHP 4.2.0 to 4.2.3, you can use the w32api_register_function to call an external DLL, provided that you need to open the extended php_w32api.dll in php. ini.If PHP 5 is used, only the php com class is used to call the DLL.Basic Method: $ obj = new COM ("server. object ")Obviously, the COM class improves the php function. At the same time, this class changes th

The COM function in PHP4 (windows Version) has been writing an excel file into mysql over the past few days. I found an article and searched for the phpx Forum. Without this post, I post it as follows:COM functions in PHP4 (windows)IntroductionCOM functions built in PHP4 are quite attractive for developing programs in win32 environment, but there are still few related technical documents. This article will take three examplesDon't deal with MS office

This paper briefly introduces how to extend the console of Linux server through the common COM port, which is practical and simple, not limited by the server network, and can easily manage the Linux server in the actual production environment. When it comes to managing Linux servers, there are many different ways to do this: Keyboard + monitor, Web Landing, web-based tools, graphics tools under X system, and so on, which is not a problem on a regular

The object-oriented idea is difficult to adapt to this distributed software model, so the idea of componentized programming has developed rapidly. According to the idea of componentized programming, complex applications are designed into small, single-functional component modules that can run on the same machine, it can also run on different machines. In order to implement such an application, some extremely detailed specifications are required between the build program and the build program. On

Objective: To use JavaScript scriptsCodeCall the COM control to implement basic functions:1. Define and initialize the COM control;2. Call the COM interface;3. Register com events and call events. 1. Define and initialize the COM control Define an object tag on the HTML pa

Now, let's go to the other side and develop a COM client in Java. This program invokes the service within the COM server that the system has installed. For the present example, we are using a client that was implemented for the server in the previous example. Although the code looks familiar in the eyes of the Java programmer, everything that happens behind the scenes is unusual. This example uses a Java-wr

Article 5: Learn about the historical reasons behind the _ com_ptr_t Design_ Com_ptr_t is a proprietary template class of Microsoft in VC. It encapsulates the QueryInterface (), AddRef (), and Release () operations of IUnknown, and provides some member functions to operate COM interface pointers. At the same time, _ com_ptr_t also simplifies the operations of the COM interface on reference count and query o

In PHP4 (windows), the COM function in the COM function PHP4 (windows) has been writing an excel file into mysql over the past few days. I found an article and searched for the phpx forum. I didn't have this post, post it as follows: COM functions in PHP4 (windows) Introduction COM functions built in PHP4 are quit

COM functions in PHP4 (Windows version) these days have been writing Excel into MySQL, found an article, search the PHPX forum, without this post, put it reprint as follows: COM functions in the PHP4 (Windows version) Introduced COM functions built into the PHP4 are quite attractive for us to develop programs in the Win32 environment, but there is still not

Statement: ThisArticleThis is from http://www.moon-soft.com/doc/51731.htm. if you want to renew it, please refer to the original article. I often talk about com, but it is always difficult to correctly describe this thing. Therefore, it is necessary to understand it again. Com -- Component Object Model (Component Object Model) is a set of software development methods and specifications proposed by Micro

Coinitialize;IUnknown;Apartment"Insider of COM Technology", "com Essence", "Insider of COM Technology", "in-depth understanding of COM +"-------------------------------------------Essay Classification-j.com Technology:Http://www.cnblogs.com/Clingingboy/category/198480.htmlInformation about the