CodeGuru Staff

Click here for larger image Environment: VC 5.0/6.0, MS Access 97/2000/2002. Introduction Why to mix? Winning combination of MS Access/VBA and Visual C++/MFC allows developers to accomplish effectively the tasks of any complexity and in any direction. This alliance is suitable perfectly for developing data mapping systems, such as graphics, multimedia, GIS, CAD etc. The […]

Environment: VC6.0 SP3+, NT4.0 SP3+, Win98 SE, Windows 2000/Me/XP, IIS 3.0+ or PWS Have you ever wondered how to display charts or any other visual ActiveX controls in a web environment without having the need for the client (the browser in this case) to download these conrols in order to display the data. The best […]

Environment: EVC++3.0, WinCE, PocketPC SH3 or so The contactMgt is the application which implements POOM and it has been successfully tested on SH3 processor and hope it will work fine on the rest of too. but before try to build it you need to register the DLL’s on your Pocket PC, I choose regsvrce.exe(find out […]

Environment: [C#] In this lesson I will show how to numerically solve algebraic and ordinary differential equations, and perform numerical integration with Simpson method. I will start with the solution of algebraic equations. The secant method is one of the simplest methods for solving algebraic equations. It is usually used as a part of a […]

Environment: VC6 SP5 Usage The code to add small icon to the tab label should be placed in the constructor of CMyPropertySheet. CMyPropertySheet is derived from CPropertySheet. The object m_Page1 is defined in the header file: CMyPage m_Page1; CMyPage is derived from CPropertyPage. IDI_SMALL_ICON is ID number of the icon resource(small). CMyPropertySheet::CMyPropertySheet(CWnd* pWndParent) : CPropertySheet(IDS_PROPSHT_CAPTION, […]

Environment: VC6 SP5, W95, W98, NT4, Win2000 Class CPictureEx was written for an MFC-project, that required support for banners in JPEG and GIF formats. Static banners weren’t hard to display using the OleLoadPicture function and the IPicture interface, but dealing with animated GIFs was a whole different story. Having rummaged through numerous Internet-links, I discovered […]

Environment: VC++ 5.0 Additionally, if you’d like to be able to set the color for every item inside your CListCtrl you can use this derived CListCtrl . The following example uses this CListCtrl-derived class.   Using the CColorListCtrl Class You’ll see how easy it is to use this control   I would like to thank […]

Click here for larger image Environment: VC6, NT4, Win2000, Win9x/ME Abstract The Memory Viewer displays memory contents starting at a specified address (0x00400000 by default), it shows memory contents as the HEX format in a binary editor. With this viewer, programmer can watch where Windows runs an application, where is Windows data page, and even […]

Environment: [eg VC6 SP4, NT4 SP3, winCE 2.0]–> This article describes how to monitor program heap for memory leaks even if you load DLL’s or use a CRT-functions for memory allocating. The code provided with this article works on Windows NT. It should work on Windows2K system as well, although it has not been tested […]

. Environment:  : VC++6 SP5, MDAC 2.5 and above Overview Most of us know that OLEDB is the latest database technology that provides fastest data access on windows platform. However, many C++ programmers tend to avoid using raw OLEDB and prefer ADO in their development process. There are two main reasons for this. First of all, […]

Environment: VC6 Introduction CxImageMNG is the module of CxImage used to play MNG animations. It uses the CxImage members, but to play the animation are necessary additional variables and functions. I decided to keep separated the MNG stuff from the "static" formats, to limit the growth of the base class due to the new features. […]

This article was contributed by Alexey Busygin. Environment: Windows 9x/Me/NT/2000, Visual C++ 6 Sometimes you need to detect whether another instance of your application already exists. For example popular program ICQ detects existence of another instance and shows alert message. How can you add the same functionality to your program? MSDN shows two ways: to […]