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is COM technology out of date? That's not true either. Technically, it is true that COM usage is declining, but intellectually, the idea of COM's interface-oriented is being carried forward by Java and. Net. So we still need to deal with COM. It depends on the area of your work. Although now Microsoft's platform is slowly toward. Net migration,
The. NET Framework reusable software is not a new concept. For eight of years, people have been using various forms of Component object models (COM). It turns out that it is the most successful reusable software model. COM introduces the concept of "component"-a reusable block of code that can be combined to combine the functions of multiple independent functions to extend to applications such as Microsoft
". NET support COM? " "How do COM + and MTS exist on. NET?" " ". What is the difference between a net component and a COM component? " COM + is still present in. NET, and if the application does need to use COM + and MTS features, then you can choose the appropriate techn
The T-SQL programming language of SQL Server is powerful in data storage and recovery, but is less functional in terms of interaction with systems outside of the SQL Server database. However, we can overcome this limitation with SQL Server's built-in COM automation environment, which enables users to automate COM objects in stored procedures. With 7 extended stored procedures in SQL Server 7.0 and SQL Serve
PHP can operate COM and DCOM object 1 under the Win32 platform. I created a DLL to compute something. Is there any way to run this DLL in PHP? 2. What does ' unsupported variant type:xxxx (0XXXXX) mean? 3. Is it possible to manipulate visual objects in PHP? 4. Can I put COM objects into session? 5. How do I capture COM errors? 6. How do I generate DLL files in PH
In my daily work, I have seen many COM codes written by different developers. I was amazed by the many creative ways of working with COM, and some of the clever code that made COM work might not even have occurred to Microsoft. Also, seeing some mistakes repeated again and again made me frustrated. Many of these errors are related to thread and security, and this
The problem starts with this: I need to write a COM + to connect to different databases. Some friends might say that you should build a COM + for each database, but not in my system. We are doing an education-assisted system, the user is a school (including school teachers, students, parents), we build a database for each school, these databases are the same structure. Of course, we also have a management d
Introduction to window| Functions COM functions built into PHP4 are quite attractive for us to develop programs in the Win32 environment, but there is still not much relevant technical documentation. This article will deal with MS office Word, Excel, and Adobe Distiller in three examples to illustrate how to use COM functions in PHP. COM technology was presente
In addition to providing back-compatible,. NET Framework also supports forward compatibility, which is meant to be exposed. NET assembly is possible for COM utilization. Now let's see how we can get COM to leverage. NET assembly. Calling. NET assembly from COM Now let's look at the principle of using. NET assembly from COM
The most vexing problem with developing COM + applications is how to debug COM + components. Because COM + is performed in COM + 's execution Environment, Delphi programmers cannot, like Delphi's distributed multi-tier application system, set breakpoints for application servers directly in the Delphi IDE to debug. In
Guangzhou Asian Games officially held only more than 250 days, the construction of the Asian Games has entered the final stage, in order to allow the Guangzhou Asian Games to become the largest Asian Games in the history of one of the biggest games, Guangzhou from all walks of life muster the energy to carry out the final sprint. With the close of the Asian Games, the various topics related to Guangzhou and the 2010 Asian Games have become the focus of public attention. One of the most notewort
http://danadler.com/jacob/ What is Jacob? The "JACOB is a" java-com bridge "allows" to call COM Automation components from JAVA. It uses JNI to make native calls into the COM and Win32 libraries. The JACOB project started in 1999 and are being actively used by thousands of developers. As a Open-source project, it has benefitted from the combined experience to the
COM domain name heat does not reduce the accumulation of domain name Investment unlimited business Opportunities . COM is the world's highest penetration rate in the international top-level domain, in many domain names, it has been recognized by the most popular domain name. This is because this is favored by investors, in many times the rush of domain name registration, almost will have. COM's figure. In
December 17 News, 51.com Chairman and CEO Pang East recently to Sohu it said, after the financial crisis, 51.com do not intend to do Rainbow QQ, but will be the main focus on 51.com of business. At the same time, Sohu it is exclusively informed that the company's business has been reorganized within 51.com. Subsequent
Although COM technology has not been recommended by Microsoft, I still have a simple record of how to debug a COM component. It's almost like debugging a normal DLL, a little different. 1. Creating COM components Now use vs to create COM components is very easy, can use c++/vc++ or C #, indifferent C # to write
New Year's high trading continues. COM domain name again lead the coquettish 2009 out of the sight of people, ushered in 2010 years, in this old year, the domain name transaction also brought good luck. Digital Domain name 1199.com in Christmas Eve to 230,000 sold, the world's tallest high-rise caliph sent a high 160828.com domain name 160,000 of the price, and
In this article, we will discuss the following questions: • Create a simple COM object using C # (using COM's interop attributes). • Access COM from VC + + client software. The client software uses the TypeLibrary (. tlb file). For simplicity and convenience for developers to use and test, we used the Northwind database in the default installation of SQL Server database software. • Modify the name of SQ
event handling in native C + + when handling native C + + events, you set the event source and event sink separately using the event_source and event_receiver attributes, and specify Type=native. These attributes allow classes that apply them to fire and handle events in a native non-COM context. declaring an event in the event source class, you can declare the method as an event by using the __event keyword for a method declaration. Make sure tha
51.com Vice President Huang Shaolin Sina Science and technology news December 7, today in 2008 China's it two annual Internet conference, 51.com vice President Huang Shaolin visiting Sina Technology site interview, said that after the winter SNS war will end. The following is a transcript of the interview: Moderator Ma Quanzhi: How do you think our Internet industry should restore confidence in the curre
1. How to create COM objects Clients can create COM through the CoCreateInstance function, and must know some basic things about the object before it is created, such as the CLSID of the object or the ProgID of the object. Another object creation method is created by a moniker (moniker), which is the use of object naming and binding techniques (i.e., name technology). 2, the status of the name technology
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