what com interface

Issue Summary: This article contains frequently asked questions about Microsoft. NET and the Microsoft. NET Framework. Directory Conceptual issues Run-time technical issues Terms Assembly Application Deployment and Isolation Garbage

Program | Chinese. NET platform to develop Chinese voice applications -------------------------------------------------------------------------------- Summary: Voice is the most natural interactive way of human beings, and it is also the highest

Microsoft© Active Accessibility 2.0 is a COM-based technology that improves the way accessibility aids work with applications running on Microsoft Windows?. It provides dynamic-link libraries that are incorporated into the operating system as well

Upload | detailed File uploads are a feature that is often used in web development, but the ASP itself and the built-in components do not support file upload. Some of the Third-party components circulated on the Internet can solve this problem, but

While there are many different implementations of soap, I think it's best for VC/VB programmers to choose the Microsoft implementation. First put aside. NET WebServices (because I'm not familiar with L), we're going to talk about Microsoft Soap

Managed code invokes unmanaged code. NET provides the P/invoke (platform invoke) way that it acts as. NET is based on a variety of books and network resources, this is no longer discussed here. So how does unmanaged code invoke managed code? We know

This article supporting source code First, the preface My COM component runs with a window, and when the user double-clicks the window, I need to notify the caller; My COM component downloads a file on the network in a threaded way, and when I

1, the object-oriented system of the three most basic characteristics Encapsulation, polymorphism, reusability. 2, COM characteristics of the overview The encapsulation characteristics of COM objects are very thorough, all object state

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

Summary The purpose of this article is to provide a quick reference for using and implementing Microsoft's Component Object Model (COM). Readers who want a better understanding of what COM is and what is hidden in its design and system should read

You need to use the OLE drop target of the COM interface, the program creates a unittmydroptarget unit that supports the drag-and-drop target, creating a Tmydroptarget class in this unit. This program enables you to drag a text block, such as

Data | database | database connection implementation of ASP database connection Xiachuntao (102 Department of Electronic Technology College, PLA Information Engineering University, Zhengzhou 450004, Henan) (email:xct-tom@tom.com) Absrtact:

Performance | Optimization 1. Discussion topic: ASP Script Size Is your script page (and other pages) longer than required? This is something that will degrade the performance of the ASP at the beginning of execution. ASP scripts are useful when it

Visual Java is a network-centric programming language, and many tasks that are difficult to accomplish with ASP scripts can be easily implemented in Java. At the same time, the best way to extend ASP applications is to join COM components. So, can

Problem: How do I activate the Active Desktop (active Desktop) in an application? In general, users can right-click on the desktop and choose Active Desktop =〉 "view by Web page" to turn on/off the Active Desktop feature. Is there a function that

I read your column in January 2004 about getting a drive letter and using the GetDriveType function to determine whether a disk is a CD (Drive_cdrom), but how do I know if the CD drive is a recording device? In addition, how can I write a file to a

Problem: I want to write an application that supports ActiveX document Plug-ins (Plug-ins). To create a menu of installed Plug-ins, I scan the registry for installed ActiveX components when the program starts. Create an instance for each ActiveX

Microsoft Java compilers, virtual machines, and a wide variety of tools greatly simplify the work of java/com programmers compared to c++/com programmers. The compiler has special boot commands and packages that can treat Java classes as COM classes.

Original:OLE DB, ADO, ODBC relationships and differencesOLE DB, ADO, ODBCOneODBC, open Database Connectivity, is an integral part of the database in the Microsoft Open Service Architecture (Wosa,windows Open Services Architecture), which establishes

In SSIS, there are a number of types when you select Connction Manager. The following 4 connection types will be found in ODBC, OLE DB, ADO, and. What are these 4 things, what are they related to, what is the difference, how to choose? This article