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; visit http://www15.brinkster.com/bubux/ Explanation and Usage It is very useful to have all possible combinations of a string. For example: In a search engine, if the user types “mp3 rock hard,” the engine should be smart enough to search for all combinations of the user input; otherwise, it will not be a powerful searching tool. […]

Environment: VC6 SP5, Win2K Pro SP3 or higher Recently, I’ve observed quite an excellent example of what can be called “backward comBUGability.” It was a big surprise to me when I found that the FindFileFirst Win32 API function finds a match to wildcard by using deprecated DOS rules. For those who forgot about DOS, I’ll […]

Environment: Visual C++ 6.0 Introduction Most of the code that I’ve come across to resolve the name of an IP address uses the gethostbyaddr API to accomplish this task. gethostbyaddr may eventually resort to using NetBIOS (port 137) to come up with the name. According to MSDN, gethostbyaddr is actually deprecated by the getnameinfo API. […]

Environment: VC6 SP5 I referred to “CScrollHotStatic!XHyperlink and Scroll CStatic Class” by Zhibin Cao when I wrote this control. There are two public functions in CHyperlinkStatic: void SetHyperlink(CString strHyperlink) void SetCaption(CString strCaption) SetHyperlink is used to set the hyperlink where you will surf if you click it. SetCaption is used to set the caption you […]

Multiprocessor computers are very common nowadays, but the programs that make use of their advantages are quite few. This situation is mainly due to the difficulties accompanying multithreaded design. There are ways, however, to increase parallelism at low cost. In this article, I’m going to describe a method for easy transitioning from sequential single-threaded to […]

Environment: VC6, VC7, Platform core SDK, Win2K/XP ONLY !!! (Test has passed on English/Japanese/Chinese Win2K/XP) Special Note: To debug and test on one machine, Windows XP is highly recommended for its “Switch User” support, so you can run 2 Messenger instances on 2 user contexts and communicate between these 2 instances Key Technology Used: Windows […]

This document is the easist way to check for multiple instances and bring the first instance on to the focus. #pragma comment(linker, “/SECTION:.shr,RWS”) #pragma data_seg(“.shr”) HWND g_hWnd = NULL; #pragma data_seg() On the App::InitInstance() add the code below: //For single instance checking if (g_hWnd) { ::SetForegroundWindow(g_hWnd); if (IsIconic(g_hWnd)) ::ShowWindow(g_hWnd, SW_RESTORE); // terminates the creation } […]

Environment: VC6, MFC This project was written to provide you with a Tree List to put on any CView. It supports images, checkboxes, and all the functionality of both CTree and CList Controls. It automatically resizes itself when the user changes the window that has been attached to it. Clicking on the List Header will […]

Environment: VC6, MFC The Problem If you need a multiline Edit Control, you can implement one at design time by using the Resource Editor and setting the styles Multiline, Horizontal scroll, Auto HScroll, Vertical scroll, and Auto VScroll from the Styles Tab in Edit Properties. Or, if you create the Edit Control from code at […]

Environment: Windows 2000 Server, Microsoft Visual C++ 6 This article is intended to explain the concept behind connection points with a clear practical example, which will demonstrate an in-process comserver and an MFC client that uses the server. What Exactly Is It? It is a method used by a COM object to call back to […]

    Environment: VC6.0, W2K The purpose of this article is to demonstrate a sample class to “group” the MFC CComboBox class. The grouping allows the user to make an assignment from a set of values. For example, if a user wanted to map several IP addresses in a one-to-one relationship, the software could show all […]

Environment: Visual C++ 6, Win32, MFC, Win XP, Win 2000 Introduction CIniReader is a class that reads and writes to and from an INI file. Here is a functions list of this class: Function Description setINIFileName Sets the INI File name to read and write. getKeyValue Retrieves a key value given the section and key […]