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The purpose of this control is a tuning a values within a text boxes (or a cells of the grid by CGridCtrl class) for three ranges: rough(+-100%) medium(+-10%) fine (+-1%) How to use Multislider ActiveX Control Download the source files and compile a project for ActiveX registration. In your project select the menu “Project->Add To […]

Environment: Win32, MS Visual C++ 6.0 Sometimes to add new features to an application we need more than to just add new buttons to toolbar. One of the ways to ultimately extend application’s capabilities is to add scripting language to it. BeeBasic embeddable basic interpreter is one of the tools that can be used for […]

Environment: Visual Studio .Net, C#, Windows 2000, Windows XP Professional Keywords: Business Objects, C#, Windows Forms, Custom Events, Database Access, ADO.NET, Web Forms, ASP.NET This sample is an introduction to Rockford Lhotka’s Component-based Scalable Logical Architecture (CSLA) as described in his book, Visual Basic 6 Business Objects (Wrox Press, 1998). The CSLA is an implementation […]

This application shows a COLORREF structure that use Slider Control to determinates your 24-bit RGB color and shows also simple way to communicate between CSliderCtrl, CEdit, and CStatic. void CRGBDlg::OnVScroll( UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) { CSliderCtrl* pSlider = (CSliderCtrl*) pScrollBar; CString szColorValue; int i = pSlider->GetDlgCtrlID () – IDC_SLIDER1; // Now, nColor = […]

Environment: Visual C++ In part 1 of this series, I covered what types of .DLLs you can make with MFC and how to build MFC regular and extension .DLLs. In part 2, I covered potential problems that can arise when you use .DLLs and suggested several ways to avoid them. In this article, I’ll build […]

Environment: Visual C++ As I discussed in the last article, .DLLs are a useful tool for any MFC programmer. They are subject to a number of important limitations, however, and anyone who is making .DLLs should be aware of these. MFC Issues This was discussed in the last article, but is worth mentioning again briefly. […]

Environment: Visual C++ At one point in time, before COM, before ATL, programmers used ordinary .DLLs instead. You could do a lot with a .DLL. If you had several programs that used the same functions or other resources, you could save space by putting those resources in a .DLL. Putting code used by multiple programs […]

Click here for larger image Environment: VC6 NT5 SP2 By default the NT4+ offers to you CryptoAPI. This is a set of complex functions for crypting, decrypting, hashing, signing and so on. Sometimes you need want two functions such as Crypt() and Decrypt() to work with the data. Here you’ll find them! A password isn’t required because […]

Environment: Visual C++ 6 (SP4), Windows NT 4.0 (SP6) 1. Introduction I was laid off few weeks ago as a result of the recent downturn in High-Tech. To facilitate job search I decided to write a simple application which main functionality would be storing information about potential employers in a database and automation of applying […]

Environment: VC6 MFC Introduction When a codeguru “afficionado” wants to send automatic mail or needs a mailer for any reason, he may use the classes designed by Wes Clyburn under the title E-Mail file attachment using MIME. See there, where there is a good description of MIME mechanisms and a description of the classes used. […]

–> Environment: VC++, SQL Server Have you ever tried to issue multiple direct ODBC calls only to have some of the calls after the first fail? I encountered this problem on a project I was working on. The first SQL command would complete successfully but some of the following SQL commands would fail. The error […]

Synopsis I was developing an image editor and found my dialog boxes cluttered with edit boxes, spin buttons and sliders. I thought the slider edit box that Adobe Photoshop had was cool and saves spaces. I decided to make my own, and so, here is my Slider Button Control. The code was based on several […]