[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
This time I was thinking about how to use a small program with COM components. I suddenly remembered why I used com during the last interview, instead of using a common DLL? After checking it on Google, many people also asked the same question: using COM to write a program is more troublesome than using a common DLL, but it brings a lot of benefits, especially wh
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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[It168 technical documentation]
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
Original: http://vckbase.com/index.php/wv/1244.htmlFirst, prefaceThe runtime of my COM component generates a window that I need to notify the caller when the user double-clicks the window;My COM component uses threads to download a file on the network, and when I have completed the task, I need to notify the caller;My COM component completes the function of a clo
SQL Server's T-SQL programming language is powerful in data storage and recovery, but is less functional in terms of interacting 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 Server 6.
Cool code: eight lessons learned from the com experience released on: 5/20/2004 | updated on: 5/20/2004
Jeff prosise
In my daily work, I have seen a lot of COM code written by Different developers. I was surprised by many creative ways of working with COM. Some clever code that made com work may not even come to Micros
First of all, this test is not successful, it is only feasible on this machine, and the test fails on different machines. The GUID may be incorrect or not registered successfully.Now that we've spent the whole morning studying, I'm going to summarize1. Online said to create an SNK certificate, but not created or can. Just can't put it in the GAC. It seems to be placed in the file's current directory as well. (GAC is a general DLL directory similar to System32, which corresponds to the DLL to be
1 new Class library Mytestdll
2 Right-click Project "Mytestdll"-"Properties-" Generate-"Check for COM Interop registration"
3 Open AssemblyInfo.cs file modification [Assembly:comvisible (true)]
4 Open the Visual Sutdio 2008 Command Prompt line tool input Guidgen.exe Select Define_guid Click New GUID
5 Code
1, each class name corresponds to an interface name, the interface name is the class name preceded by an up
: virtual HRESULT __stdcall onredoeditoperation (), very simple!! If there are a lot of do not understand, then quickly look at the knowledge of COM. See, huh? We implement the Iworkspaceeditevents interface function once.
Notice that we added a public ccomobjectroot to the class definition, why? No longer explained here, the right to be necessary. Want to know the reason, oneself reference com aspect know
example of context conversion in the program. If you test this code, it will run, but please
Do not do this within your own application.
Private Sub Dostuff ()
% >
This is End Sub
% >
Programmatic code has some other benefits as well. First you'll find it easier to reuse the parts of the code that are included in the program. Secondly, to
Fewer lines of code are required to achieve the same purpose. Third, you will begin to develop a large reusable code base. At first it's
The form is. inc file
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