CodeGuru Staff

Environment:VC5, VC6 Many programs today suffer from the fact that their users have to connect using IP addresses. This is impossible for dialup users, whose IPs change all the time, and painful for LAN users who don’t know their IP addresses or whose addresses also change. In addition, many collaborative programs could benefit from offering […]

Environment: VC5 SP3, NT4 SP3, Oracle 7.3, Oracle 8.0, Oracle Lite 3.6 I wrote this library some time ago when I began to use Oracle database 7.3. First I tried to use ODBC (with and without MFC classes) as client interface but soon I discovered some problems such as: no multi-thread support, no MFC support […]

Overview This article presents a set of base classes which can be used to abstract your applications from the underlying database access technology. When planning the development of a new application, many design decisions must be made. For a database application, the database access method is one of those. However, as were all aware, things […]

Environment: Windows NT 4 The Problem Have you ever attempted to print from a Windows NT Service? Some time ago my colleagues and I wrote a TCP/IP server to collect data, analyze it and then print exceptions. Obviously, printing is usually a very simple and typical task for any software engineer. When I finished developing […]

Environment: VC++ 6.0 SP3 (using Warning Level 4 in RELEASE Mode), Environments Tested: WinNT 4.0 SP4, Win95 Basically, I saw other string tokenizers here (CodeGuru) and they lacked the functionality I was looking for.  Therefore, I created one for myself using the KISS method.  This is a VERY SIMPLE sample!!!! Here is a summary of […]

(shellreef). Environment: VC4 ComprLib is a data compression, encryption, plain text conversion (UUEncoding ect.), and checksum library I made a while ago for DOS. I ported it to Windows recently. To use ComprLib, first you set up the I/O function pointers, and then you call a function that encodes or decodes (or computes the checksum) […]

This article addresses 2 issues Removing *.* filter from the MFC Doc-View architecture Open/Save File dialogs Displaying only selected filters in the MFC Doc-View architecture Open/Save File dialogs The MFC Doc-View architectures “Open/Save File” functionality allows the user to open/save file of any type using the *.* filter. Now if you don’t want the user […]

I recently wanted to exploit the features of Internet Explorer to prevent users from selecting text in my CHtmlView. The current implementation does not support a simple way to do this (such as an EnableTextSelection function call), so I decided to investigate. Here are some of the ‘hidden’ features I want to expose… There is […]

. Overview on stack window The stack window gives alternative way to manage multiple dialog boxes inside single window (see picture). Unlike standard property sheet control layout of stack window is vertical. Pages are separated with captions. Page captions displays user-defined name and can be clicked to expand/contract the page. If size of stack window exceeds […]

CFileFolderDialog class This class extends the basic CFileDialog class. However, using this class, you can switch between viewing only files or viewing only folders. This way, you don’t have to programmatically use both the CFileDialog and the CFolderDialog classes. The interface to the CFileFolderDialog class is nearly identical to the CFileDialog class. CFileFolderDialog dlg(TRUE); if(dlg.DoModal()==IDOK) […]

The SelectFolder.zip file contains the SelectFolder.exe whose output is shown in the above picture. The "Options of Select Folder dialog" dialog shown in the above picture, shows the capabilities of the CSelectFolder class Environment: Visual C++5, Windows NT 4 (SP3) This Select Folder dialog was originally done by Mihai Filimon. I have added the following […]

BOOL CALLBACK EnumChildProc(HWND hWnd, LPARAM lParam) { int id = ::GetDlgCtrlID(hWnd); switch(id) { case LOOK_IN_COMBO : // Combo box on top of the dialog ::EnableWindow(hWnd, FALSE); break; } return TRUE; } The id for the combo box is identified by LOOK_IN_COMBO, is 1137 and is defined in the header file. Setting the Hook The hook […]