CodeGuru Staff

Environment: VC6 HTTP Tunneling HTTP is a text-based protocol to retreive Web pages through a Web browser. Mostly if you are on a LAN connection, you are behind a proxy server; this proxy server has one HTTP proxy running on some defined port. In your Internet Explorer’s Connection option, you specify LAN settings as required. […]

I am amazed at the overwhelming and disproportionately high number of email responses I get about hooking the keyboard. Many people in a diverse group of industries have legitimate reasons for wanting to block certain key combinations. Last November, I wrote about low-level keyboard hooks for VB6 (see Managing Low-Level Keyboard Hooks with the Windows […]

Environment: VC6 This article explains how to change the number of files that are displayed in the list of most recently used files that is displayed in the File menu. How Is It Done? In the class derived from CWinApp in a SDI or MDI application created by the Application Wizard there is a undocumented […]

Environment: Visual Studio, All Windows platforms Introduction The Matrix, in its simplest form, simplifies working with arrays. This is the second of several articles that explains how to use the different features of the Matrix. In the previous article, I described how to use the basic features of the Matrix. In this article, I will […]

Using SOAP Headers and SOAP Extensions to Build Secure Web Services with the Microsoft .NET Framework

Environment: VC6 Contents Part I. Overview Getting Started Trace Message Levels Using Files as Tracing Destination Using Circular Memory Buffer as Tracing Destination Using Symbolic Debug Info Call Stack Unwinding Crash Reporting Deadlock Detection Tracing in the Release Builds Notes on Multithreading Part II. Reference Configuration Macros Configuration Macros’ Disposition Additional Trace Information Defines that […]

Environment: Platform independent The Problem Everybody uses a network to transfer data; this is obvious. Less obvious is the fact that the data has value (and cost), and so it is a subject to theft. Types of information that are stolen include a user’s personal information, commercial or technical data (including commercial secrets and intellectual […]

Environment: Timers, miscellaneous Introduction This class supplies an accurate timer (figured in milliseconds). There are two advantages to this class instead of the normal Sleep(): It can sleep the remaining time of a chosen period, causing exact timeframes It’s more accurate The need for this class lies in the fact that I needed to do […]

Environment: ADO, databases Overview Most of our day-to-day managerial analysis activities take place in Excel spreadsheets. After assimilation and analysis, data is generally discarded, although ideally we would have liked to keep it. Thus, we are unable to maintain this data because we do not have a proper data store. Even if we did have […]

Environment: VC++ 6.0, Windows XP Introduction I was learning how to start a service from a program (VC++) in a Windows XP environment. Background Basically, my problem was putting a system tray icon through a DLL that will be run by the winmgmt service in Windows XP. I tried so many ways within my knowledge […]

Environment: VC6, VC7, Windows 9x/NT/2000/XP I work a lot with students and I know their programming errors well. Moreover, I know my errors well, too! There is one technique that makes your program reliable. It is a trap technique that uses the assertion macros. The common C++ technique and some VC++/MFC features are described. 1. […]

Environment: .NET and IE Introduction The new state management and postback features of ASP.NET are indeed very exciting. They provide developers with a whole new range of mechanisms for producing dynamic Web pages. The ability to write your own custom controls takes that ability to a whole new level, allowing you to write a control […]