CodeGuru Staff

Environment: VC++ 6.0, NT 4.0,Win2000, Win95/98 Using COM technology to pass simple data like long, int, etc is easy, but what about structured data like C++ classes? Most developers knows the way to pass that. The way is generally based on passing data using VARIANT as SAFEARRAY. And what does VARIANT mean? The VARIANT is […]

. Environment: VC6 SP4, Win98/2000 It’s a simple Direct Show Application, used for previeing video files from disk. It also captures the real time data from a video capture device and allows you to preview it. Technical Side: I’ve used pure MFC classes and created a dialog based application and everything regarding GUI is the […]

. Environment: VC6 SP4, W2k SP2 Display of the most financial data is required to be formated with a thousand separator. Like: 1000000 to be formated and displayed as “1,000,000” There are lots of ways to do this formating, but there is no default crt function to do this for you. Here I try to […]

Environment: Windows 95/98/2000, DirectX 3-8, Visual C++ 6 CDX is a free GDK (Game Development Kit) which is comprised of a set of C++ wrapper classes for writing Windows games. It is built on top of Microsoft Windows and DirectX technology and offers simple to use C++ wrappers for all aspects of game development. This […]

Environment: eMbedded Visual C++ 3.0, Windows 2000, Windows CE Emulator To Run this application you must have installed eMbedded Visual C++ 3.0 This Article is mainly contributed to develop the 2D Real Time Graph. I was searching the net to develop the graph as shown above. I found that the picture control had been used […]

Environment: VC6 SP4, W9x, NT 4 This simple program code show how to write or remove an icon from the window taskbar and add a tool tip text. It also show how you can define a user message for trap events generate with mouse action (click on the icon). The sample application is an MFC […]

This simple class CTBalloon which is derived from CWnd can be used to show the tray balloon similiar to the one that appears with MSN messenger. I have used the CGradiant class which appeard in the artile Enhanced ProgressBar Control v1.1 by Yury Goltsman. The following snippet shows how easy it is to use the […]

Environment: VC6 SP5 Win9x, WinNT 4.0, Win2000 When a program is using more then one thread, there will be in most cases the need of synchronizing the data. This can be ‘easily’ done by using one of the provided synchronization classes of MFC: CMutex, CSemaphore, CEvent, CCriticalSection. In some of the simple cases these classes […]

Environment: .NET Beta 2 SDK Introduction One of the first features of C# that took my interest was the ability to dock a control onto the edge of a form. Now I could attach a control (or more likely a composite control by deriving from UserControl) onto a Form edge and quickly construct a useful […]

Environment: Visual C++ 6.0 SP4 Windows 2000 Create an empty Visual C++ 6.0 dialog-based application using the MFC wizard. Add as many different controls as possible to the application (include edit boxes, drop down list controls, check boxes, radio buttons, date control, etc.). Add a button called IDC_SERIALIZE and double-click on it to add the […]

Environment: VC++ 5.0-6.0, NT 4.0,Win2000, Win95/98 I really like the IPicture object. This COM object works very fine. However, I had some problem when I was trying to use it in a Document-View architecture. The main problem is implementation of serialization. To resolve this problem I built two classes. The first class called CPictureObj. This […]

Environment: Made in VC++ 6 for Win 98/NT/2000 Internet Protocol Helper (IP Helper) is an API that assists in the network administration of the local computer. You can use IP Helper to programmatically retrieve information about the network configuration of the local computer, and to modify that configuration. This article and the associated code demonstrate […]