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The Microsoft. Win32. API provides 4 functions for dealing with waitable timer objects, providing very high resolution (100 nSec.) timer capabilities for applications. The CWaitableTimer is a wrapper class for the Microsoft. Win32. API waitable timer objects. The class is intended to be extended and accessed by derivative classes. The class constructor establishes the timer […]

Environment: Windows NT 4.0/2000 only, VC6 SP4, NT DDK is not needed 🙂 Overview This article presents two separate utilities (NtSysInfo and WhoUses) to examine low level information on such Windows NT system primitives such as processes, threads, windows, modules and objects. Some of the things that I’m doing here are similar to the utilities […]

Environment: Windows NT4 SP6, Windows 2000 This is a command line utility to close and delete a file which is locked by another process. I doesn’t work with modules. Usage FORCEDEL.EXE [/S] filename /S Soft delete. Like the “del” command filename File name you want to delete How does it work? Query the used file […]

When I wrote my first article on CodeGuru, Expandable, Data Type-Neutral Buffer Class, I realized that there are lot of people seeking the code for a circular file. Hence, I developed my own circular file implementation, and want to share this. Its interface is very simple. Everything basically revolves around the Addline(CString) method which you […]

Environment: VC6 This simple application is an MFC implementation of the Zoomin application provided by Microsoft. It incorporates the features of the Zoomin extension posted to CodeGuru by Thierry Maurel along with a few features that I’ve added. The Zoomin extension by Thierry Maurel added grids and always-on-top features to Zoomin. These features have been […]

Features This extended list control allow OLE drag and drop between list controls. The programmer can enable/desable local drag and drop of list items inside the same control, automatic scrolling and the removing of dragged items from the source list. Control Usage Initialize the OLE libraries in the application InitInstance member function: BOOL CDdDemoApp::InitInstance() { […]

Environment: Visual C++ 6.0 sp4, Windows 2000 Have you had problems with having a popup menu in a window and not being able to get its UpdateCommandUI messages ? Simplest solution is (if it doesnt create any kind of impropriety) making the popup menu owned by CFrameWnd derived class. You may want to make a […]

Environment: Windows 9x Introduction This program locks keyboard and mouse on computers running Windows 9x. My boss needed something that would prevent users from using the computer at a specified time (e.g., 7 PM). But the user was to be able to use it again next morning (e.g., at 9 AM). The software was intended […]

Introduction As well known, AVICap window class provides applications with a message-based interface to access video and waveform-audio acquisition hardware and to control the process of streaming video capture to disk. Unfortunately, it has a few serious limitations: All of setup operations for format, source and videostandard are implemented within driver dialogs. Program control is […]

Introduction The video compression manager (VCM) provides access to the interface used by installable compressors to handle real-time data. Typically applications use installable compressors to perform compressing and decompressing video data. The simplest solution for decompressing is using a DrawDib API, which is wraps all necessary functionality and provide a simple way for visualization of […]

This library allows creating, modifying and extracting zip archives in the compatible way with PKZIP and WinZip. Supported are all possible operations on the zip archive: creating, extracting, adding, deleting files from the archive, modifications of the existing archive. There is also the support for creating and extracting multiple disk archives (this is probably the […]

Introduction Have you ever wanted to resize a window but NOT have to deal with all of that annoying control-repositioning? What a hassle! Here is an easy-to-use class that should provide a good foundation for anyone wishing to easily reposition controls when a user resizes the parent window. Usage In order to use this class, […]