com object

the object-oriented idea is difficult to adapt to this distributed software model, so the componentized Program design idea has developed rapidly. According to the idea of componentized programming, complex applications are designed into small,

Introduction This article is intended to explain the concept behind connection points with a clear practical example, which will demonstrate an in-process COM server and an MFC client that uses the server.What exactly is it? It is a method used by a

Xiangxian content: Introduction Tip 1: cache common data on a Web server Tip 2: cache common data in application or session objects Tip 3: cache data and HTML on the Web server disk Tip 4: Avoid caching non-flexible components in the

Recently, due to project needs and access to COM technology that has never been thoroughly understood, I decided to calm down and study it well. Let's get started with COM. COM (Component Object Model) is a component standard proposed by Microsoft.

Create | object 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

Using technologies such as VSTO or shared add-in to develop Excel Plug-ins is actually dealing with the APIs provided with Excel, most of which are COM components, meaning that you interact with COM through an Excel PIA. There are some problems that,

Cheung-Fine content: Brief introduction Tip 1: Caching common data on a WEB server Tip 2: Cache commonly used data in application or session objects Tip 3: Caching Data and HTML on a WEB server disk Tip 4: Avoid caching inflexible components in

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

Tip 5: Do not cache database connections in application or session objects. Caching ADO connections is usually a bad strategy. If a connection object is stored in the Application Object and used on all pages, all pages compete for this connection.

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Tips for improving ASP performance and appearance (I)[Date: 2006-10-10] [Font: large, medium, and small] Tip 1: cache frequently used data on a Web serverA typical ASP page retrieves data from the back-end data storage, and converts the result to an

---- 1. Introduction ---- How to perform operations on objects in IE browser is very practical. Through DLL bound to IE, we can record the order of Web Pages browsed by IE, analyzes users' usage behaviors and modes. We can filter and translate the

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

Program | skills | optimization | Optimization This article will introduce you to four optimize ASP application techniques. 1. Cache frequently used data in application or session objects ASP's application and session objects provide a convenient

Arcobject description Chapter 1 Understanding ArcObjectsWelcome to the world of AO (abbreviated as ArcObjects! This section introduces you to the world of AO and answers some related questions, such as: What is AO, why does AO make development more

COM component program: module, which can be a dynamic connection library (DLL) & executable program (exe), called in-process component) & External process component (out-of-process component ). COM Object: it is based on binary executable code.

Tip 4: Avoid caching non-agile components in application or session objectsAlthough caching data in application or session objects is a good practice, caching COM objects has a serious trap. In general, people tend to cache frequently used COM

Although. net assemblies are the best choice for new applications, you may at times need to employ COM objects instead. this walkthrough demonstrates two ways to create COM objects with Visual Basic. net: with and without the com class template. The

COM objects In addition to the reference count there are ...I. Background:Videomanager supports real-time, requires both device information and Streamerid to pass through a set of Windows, and it needs to be set to the corresponding Videoview after

Program | tips | Optimization This article will introduce you to four optimize the ASP application techniques. 　　1. Cache frequently used data in application or session objects ASP's application and session objects provide a convenient container