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Environment:VC6 SP4, NT4 SP3 MFC Tree controls can be put in resizable dialog boxes. However, ToolTips don’t show up for items that are not fully visible when the dialog is shrunk and only a part of the Tree control is displayed. This is because ToolTips are constructed for items whose text length exceeds the visible […]

Environment: VC++ Version 6.0, Windows 2000 This article is intended as a tutorial with a practice lab for building an ActiveX control. It shows how to: Add the new property page in an ActiveX control Use the FireEvent() function of an ActiveX control in an application Add the custom method and efficiently use the custom […]

Environment: C Introduction The most common yet repeated mistake that programmers make occurs while using system memory. Two most obvious situations in which this mistake occurs are: When memory is allocated but not released when not needed. This commonly occurs when some function allocates memory and calls other functions that also allocate memory. In such […]

Environment: VC6, win2000, winXP Enhance the user interface for your application by closing its windows in a smoothly way–make your window disappear slowly (fade out) while its closing. Technique The technique is very simple. While closing the window, just loop and increase transparency value to the window each loop until the window disappear completely. The […]

Click here for larger image Environment: VC 6, SP 4, Windows 2000 Introduction In my work, I always want to display several data series with holes together. Massimo Colurcio has developed a control to display data with a hole, but it is not easy to use, especially when the data is very sparse, so I […]

Environment: eg VC6 & VC7, ATL, WTL When using Visual Studio’s project wizard to create a new project, Microsoft uses templates that are located in the D:Program FilesMicrosoft Visual StudioCommonMSDev98TemplateATL and D:Program FilesMicrosoft Visual Studio.NETVc7VCWizardsClassWizATLControlTemplates1033 directories. (These paths will obviously vary based on your installation choices). These templates use tags to include and exclude information […]

–> Environment : VC 7, Windows 9x/NT/2000/XP (ASPI Drivers must be installed!) This project provides a primitive wrapper class for accessing a SCSI tape via ASPI: CASPIDriver. CASPIDriver is used by the sample application entitled TapeSnoop, a very simple but effective tool for experimenting with SCSI (DAT) tapes. To use the tool, you may need […]

Environment: C++ Introduction This article tries to explain the conceptual aspect of multithreading programming. Much of the explanation is in context with Windows NT. Most of the material is derived from MSDN. What Are Threads? Windows NT’s basic unit of execution is a thread. That means WIN NT does not execute processes; instead, it executes […]

Click here for larger image Environment: Win2000, IE 5.0 and later This article is about a technique that allows you to write your own Internet Explorer Extensions. In other words it allows you to launch your own applications from the toolbar of Internet Explorer in the way messenger or yahoo or scores of other commercial […]

The VC7 Call Browser is a VS .NET add-in that displays inheritance, file use, variable reference, call, and (most importantly) call-by information for your C++ projects.  It is written in C++ with ATL 7, and it only works with VC++ .NET (VC7). In the screen fragment to the left the VC7 Call Browser (VCB) displays […]

Environment: VS6, Win9x, NT, 2000, XP, ME This project was created for use as a testbed of what methods to use while inserting and ejecting a CD via software. Through trial and error, along with quite a bit of help from CodeGuru, we managed to develop this little app and decided to share it with […]

Environment: VC6, WIN32    On several occasions I’ve needed to use the functionality of the TCP ping utility programmatically. On one occasion I actually needed to get the hops count. I know there are numerous examples of using the ICMP interface but Microsoft has stated this interface is subject to change. It’s also complicated to understand […]