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can directly use the asp+ control set, which encapsulates a common set of widgets (such as text boxes, Drop-down menus, and so on) that are used for the Hypertext Identification Language (HTML) user interface. In fact, these controls run on the Web server, which converts the user interface into HTML format before sending it to the browser. On the server, the control is responsible for providing the Object-oriented programming model to Web developers, which provides rich functionality for object

basis for interoperability between components written in multiple programming languages as long as the language compiler supports Microsoft program com binary structure. COM objects can have multiple interfaces but each class must have its own unique class ID (CLSID) and its interface must have globally unique identifier (guid) to avoid name collisions. objects and interfaces are defined using Microsoft se

simple as possible. The actual functionality of the tools is much more powerful, and we can use them in a more advanced way. But it also requires a deeper understanding of COM, which is beyond the scope of this appendix. If you are interested in this powerful, but different platform-related feature, you should study COM and Microsoft's documentation and read carefully about the Java/

in the "Big talk design mode C + + version-abstract Factory mode", we save the world attempted, leaving little regret, in this article we will give a solution--com component technology, but also pull the factory model in the application of COM component technology.The root cause of the Factory mode violation of the open-closed principle is that the object generation cannot be controlled by the data outside

many companies have developed a number of COM, DCOM components for many years in project applications, and are now using them. NET development components, making these components legacy code. As a result of the development of COM components in a large amount of manpower, financial resources, how to. NET environment, it makes sense to reuse these COM components,

traditional API function interfaces to make the application programming interfaces more orderly, the organizational hierarchy is more advanced. In addition to the specifications, Com also has the implementation part, including some core system-level code, which is exactly the core code, in this way, objects can interact with customers at the binary code level through interfaces. In Microsoft Windows. the DLL file situation exists, including the follo

COM (Component Object Model, Component Object Model) is a binary and network standard created by Microsoft. It is also a component standard that Microsoft has vigorously promoted and widely recognized. In the com standard, the COM object is well encapsulated, and the customer cannot access the implementation details of

"); ?> Since COM is a PHP4 reserved word that transmits the identity of this object to a constructor, it now obtains an instance of the component, which, based on the nature of the OOP class, makes it easy to access its methods and properties. For example: $instance->[object]->[method1]->[method2]-> ->[property]; ?> It's so simple! OOP's structure does not work under PHP (due to the problem of PHP s

managed and unmanaged COM + components (XML Web Ser on Microsoft Windows. NET Server and Microsoft®windows®xp Professional) Deployment of the vices release). The example also introduces several new features that enable clients running Windows XP to access XML Web Services on a remote server. When developers use. NET Remoting and managed code to refine existing unmanaged

project, the wizard also generates an installation project that can be used to deploy com external programs on other computers. You can delete this project as needed. Back to TopStep-by-step examples In Microsoft Visual Studio. NETFileClickNewAnd then clickProject. InCreate a projectDialog box, expandProject TypeUnderOther projects, SelectScalability ProjectAnd then selectShared external programTemplate. TypeMycomaddinAs the name of the external

; '; connectstringb= ' Initial catalog=db1; '; Connectstringc= ' Data Source=server3; Use Procedure for prepare=1; Auto translate=true; Packet size=4096; Workstation ID=LXM; Use encryption for Data=false; Tag with column collation when Possible=false '; Compile and install this COM +. Then write the client program to call it. Place a dcomconnection in the client program, connect to the write COM + serve

create a component object in the future, you can obtain the class factory object again. Therefore, the class factory object is not saved for a long time, but used during the creation process. Because the lock count is responsible for the entire component program, if one component program implements multiple class factories, all class factories can share one lock counter without having to use multiple counters separately; in addition, to access this

also have a dll extension. DLL files may also be dynamic link libraries. It mainly loads some functions and can be dynamically loaded. automation technology is part of Microsoft OLE technology, which enables an interpreted macro language (mainly visual basic) control automation objects without understanding the Implementation Details of applications. With the development of Visual Basic software and the wide application of Microsoft Office suite, automation technology has become a link to con

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