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I have seen many applications that provide the user with the ability to select an item from one list and put it into another. One example is the NT User manager group memberships screen. This is commonly done by placing two listboxes side by side. Then buttons are generally used to add, add all, remove, […]

I was writing a piece of code to store and load user preferences and wanted to persist the properties of some ActiveX controls on my dialog. The following procedure seems to do the job rather nicely. BOOL PersistActiveX(CArchive& ar, CWnd* pActiveX) { ASSERT(pActiveX); HRESULT hr = E_FAIL; // Create an archive stream CArchiveStream stm(&ar); LPPERSISTSTREAMINIT […]

Here’s a class that I wrote that adds scrolling support to any ATL Composite Control. The following steps are needed to add scrolling… Include the ScrollImpl.h file #include “ScrollImpl.h” Add CScrollImpl to your inheritance tree public CScrollImpl Add the following entry to your Message Map CHAIN_MSG_MAP(CScrollImpl) Add a message handler for WM_INITDIALOG and add the […]

This article was contributed by Tom Archer (enhanced by Steve Bryndin – see Version History) Simply drag the “magnifying glass” over any “password” edit control and Eureka! Eureka! is a 32-bit Windows utility that allows you to view password fields. For example, let’s say that you forget what your FTP password is. If you use […]

CBuffer is an expandable buffer class which can expand when needed and allows insertion of data and many operation on buffer Using the CBuffer Class In order to use the class, simply do the following. (Remember that if any of this is unclear, I have included a demo application that will hopefully clear up any […]

Lets face it, out of the MS office and Visual Studio MS Access has the best reporting facilities. Very complicated reports can be made in access very easily, where as the same report can be made in VB and VC with much more effort. The worst is VC even with the document-View Architecture creating a […]

I have been taking part in a project for the last two years. At first we were using Microsoft Visual C++ 5.0. I placed some controls into our toolbars using well-known method by using a toolbar separator. You could get more info about that at https://www.codeguru.com/toolbar/ctrls_in_tb.shtml. Changing Visual C++ version from 5.0 to 6.0 I […]

This class is a UI widget, derived from CStatic that knows if the value it is displaying is within tolerance or not. And when the value changes from within tolerance to out of tolerance it can (If you set the colors) change the background colors, say Green for intolerance, Red for out. You can set […]

Editable Flex Grid: How to edit Flex grid? Indeed there is a demo project in MSDN for VB. But there is no example for VC. There is no one to one conversion of the source from VB to VC. Even if you convert the VB project to VC, you are still left with some of […]

Environment: Windows 95, Visual C++ 6 SP2 Here I present a class that helps writing Owner Draw Controls with basic – although cute – text formatting capabilities. The CCoolOwnerDrawEngine class is not a control class by its own, or even a CWnd derived class. As a matter of fact, its objects work as aggregateable members […]

This article presents a class (CPSAPI) which can be used to enumerate all of the processes, modules and even device drivers currently executing on either a Windows 9x or Windows NT machine. As you can see in the provided demo application, this class is extremely easy to use. All you need to is the following: […]

Environment: Windows 95, Visual C++ 6 SP2 Here I present a extended message box class for MFC applications (CTcxMsgBox). It’s an attempt to improve a couple of limitations of the regular API provided message box. First, thanks to my friend Christian M. Garbin, who suggested I should prefix my classes with my initials. Uh, I […]