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Environment: Visual C++ Introduction Undeleting files is necessary if you have accidentally deleted files even from the Recycle Bin or if the files or folders have been purposely tampered with. The undeleting process requires lots of internals of the disk file system. This can be done in Windows 95/98/Me by using a thunking mechanism and […]

Author: Emmanuel KARTMANN. Last Update: June 1st, 2002 OVERVIEW This ATL COM component provides very simple Internet name resolving functionality (Domain Name System or DNS). For example, it can automagically find the email (SMTP) servers available for your machine (see “DNS Magic: Who’s my email server?” for details). WHAT’S NEW This version has several bug […]

Environment: MFC/C++ This technique has been used in Windows NT 4.0, Windows XP and Windows 95, and built in Visual Studio 6.0 and Visual Studio .NET. It is written in C++ using MFC. There are plenty of articles about subclassing the MDI client window and drawing on it, but I wanted to put a control […]

Without checkboxes. (Default) With checkboxes. Environment: Visual C++ 6 Description This control mimics the behavior of Microsoft Outlook’s categorized listbox. It displays a list of categories and each category has its own list of items. Categories can be opened to reveal their items or closed to hide them. The idea is to help improve list […]

Environment: ATL Previous articles: ALT Under the Hood Part 1 ALT Under the Hood Part 2 ALT Under the Hood Part 3 Until now, we haven’t discussed anything about assembly language. But we can’t avoid it any longer if we really want to know what is going on under the hood of ATL because ATL […]

Environment: Visual C++ The program utility provided here is a device driver for Windows 95/98/Me. It consists of three applications written using SDK and MFC. The utility will protect your PC from external viral attacks, known or unknown. It protects the operating system files in such a way that external intruders such as viruses cannot […]

A class to do search and replace functions within a file and add a line to a file. Environment: MFC Visual C++ (6.0) After re-implementing certain file functions a few times, I thought it would be worthwhile to make a class that would do some common tasks. This class basically does two things: Replace: Searches […]

Environment: MFC/VC+ This utility program will scan for the deadly viruses called CIH and Klez. The utility was completely developed in MFC. It appears as shown in CIHKLEZ.JPG, below. The utility scans for the viruses, starting with the entry point. The entry point is extracted by walking through the PE file structures. The program recursively […]

Environment: C++ This sample shows a way to code the blur blending method on a RGB bitmap. Use it for a smooth effect or to remove noise. ///////////////////////////////////////////////////////////////////// // // Filter Procedure // // Blend a RGB color bitmap. Do not work with RGB(555). // // Process a blur average blending on the source bitmap. […]

This article and tutorial were contributed by Amit Dey. Environment: VC6 SP4, Windows 2000, Office 2000 SP2, ATL3.0, Outlook 2000, COM, ActiveX, Automation Introduction Recently, I wrote an Outlook 2000 COM addin as a part of a project to build a CRM tool. While coding the project, I though this made a good topic for […]

Environment: Visual C++ Introduction The Vice President (academic) of Valley View University (in Ghana) wanted me to develop a software application to monitor the transactions that go on in our newly established Internet cafe center. The problem definition or specification requires launching and closing the IE from the application. Initially, I decided to create a […]

Supports GDI+ drawing. It includes transparent filling, pattern filling, and using an image easily. For the UI, I developed my own color picker (very similar to the style of Office 2000), in which you can not only select the color, but also select the pattern, gradient, and picture you want to fill the shape. Supports […]