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
Registry-free com Registration
InstallShield 2008
With reg-free COM, com data is written to an application manifest file that is stored in the application folder. the manifest file is an XML file that contains information about an application and the libraries that are associated with it. note that the reg-free com
I have written an article about the three methods of using COM components.Article: Three mechanisms for starting the COM component. Later, I added a non-registration-free method for using the out-of-process COM component, because it is only a text supplement and has no instances, you may not be very clear about how to implement it. You may receive emails from som
COM library functions
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Using COM library functions to use code components is the most troublesome and difficult method described in this article. It requires developers to have a deep understanding of the principles of COM. The steps for implementing this method are as follows:
1. First add the
[Source] http://www.cnsharenet.com/DOS/f/dft/dexecom.htm
A com file is a memory image file of an executable program. It is similar to the executable program structure in the CP/M operating system of an 8-bit machine with only 16-bit address lines. During the execution of the COM program, besides the DOS and rom bios functions, and the user's specific arrangement, the segment register is generally not change
COM Component Design and Application (13)Events and notifications (vc6.0)Author: Instructor Yang
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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 network in thread mode. After I finish the task, I need to notify the caller;M
In this article, we will discuss the following issues:· Use C # to create a simple COM object (using the Interop feature of COM ).· Access COM from the VC ++ client. The client software uses the TypeLibrary (. TLB file ).To make it simple and convenient for developers to use and test, we use the Northwind database in the default installation of SQL
In PHP 4.2.0 through 4.2.3, you can use the W32api_register_function function to call an external DLL if you need to open an extended php_w32api.dll in php.ini.
If you are using PHP 5, calling the DLL only uses the COM class of PHP.
The basic method is: $obj = new COM ("Server.object")
It's obvious that the COM class has increased the PHP functionality by a large
First, let's look at the relationship between today's topic and CLR interop, in our group, the term Interop contains four categories, namely P/invoke, Reverse P/invoke, COM interop, and Reverse COM interop. The first two concepts are through dynamic connection libraries (DLLs) in the native world and. NET world; the latter two concepts, as the name suggests, are dealing with
This is because this is favored by investors, in many times the rush of domain name registration, almost will have. COM's figure. In the previous period of time, and the National Day celebrations related to the COM domain names have been registered, including the "big Parade. com, dayuebing.com" was registered in the online high-priced auction, causing the industry to exclaim, the National Day domain name r
1. Advanced Features of COM
There are some advanced features in the COM specification, such as connecting objects, permanent storage, consistent data transfer, and so on, so that the COM specification has more vitality, they are also the basis of OLE, but their applications are not limited to OLE, these advanced features have been widely used on Windows operatin
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
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
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 network in thread mode. After I finish the task, I need to notify the caller;My COM component completes a clock functi
PrefaceSince Microsoft announced the COM technology for the first time in 1993, the development model on the Windows platform has undergone great changes. A series of software componentization technologies based on COM have brought Windows programming into the componentization era. Until now, COM technology is still thriving, and a large number of components and
First, create COM components with VC1, VC new Project, ATL project, enter the name Comtest,comtest will be the name of the COM component.
2, to the ATL Project Wizard, do not need to change, complete the wizard. After the wizard is completed, the VC will automatically generate a series of programs.
3. Switch to Class View, right-click on the Comtest key, add Class, select ATL Simple Object,
4. Come to t
How to compile and register the. net com component [add this page to favorites] [print]:
Itpub Forum 2008-05-20
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COM + components were popular in the Age of VB6.0 and VC ++. Currently,. netThe component system of the framework has gradually replaced the position of COM + becaus
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