CodeGuru Staff

Lesson 2: C++ Essentials If you want to use Microsoft Visual C++, it helps a ton if you really know C++. Everything is about classes. If you are used to plain C, you won’t really see the big deal with classes until you use them for a while. Let’s review what you need to know […]

Lesson 1: Behind the Scenes with Handles and Messages Though you think you want to dive right into the code, you really don’t. Windows programming is overwhelming at first. Let’s take a quick look at how Windows works. The backbone of all of your programming will be responding to and sending messages. What are messages? […]

This source and application has been released into the public domain by Simon Cooke (spectecjr@getwired.com) It is provided as is, and no liability is assumed by the author for any problems it may cause. It appears to work fine 🙂 SetColor A Win32 console-mode app that allows the user to set the color of following […]

Simply follow these steps in order to change the color of the Edit control or Combobox control in ATL. Add a handler for WM_CTLCOLOREDIT MESSAGE_HANDLER(WM_CTLCOLOREDIT, OnCtlColorEdit) Implementation of the handler, return the brush that u want to use to color the control LRESULT OnCtlColorEdit(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) { HDC hdcEdit = […]

Environment: Tested on Windows NT (SP5) with Visual C++ 6 (SP4) Description What is it ? A “Del [Path]*.*” /sxyz” NT utility. Explanations: I had to write a “Empty Directory” utility on WIN NT, without using Shell. So I wrote this function. I think it can be usefull for programmers who don’t have time to […]

Some time ago I participated in a project. We had to place our logo at some place in the right top corner of the frame window. I decided to place it on the top dockbar and created CLogo class for this purpose. This class is used for handling logo’s location, tooltips and the message line […]

The image shows the graphical output of the enclosed test application. This snippet demonstrates how to make a RichEdit control transparent — so that the text draws over top of the contents of the parent window (or even a memory DC). Best of all, it should work all the way back to Win95 / NT […]

I think that sometimes commenting source code can be cause of great mess if we don’t write WHY we are commenting it and, for istance, whether it is a temporary action or it is supposed to be definitive. This is particularly true when you work in team and you dare to hope to understand what […]

Environment: Windows 2000, Visual C++ 6 After searching for an article on how to find an executable name from an HWND and coming up dry, I decided to write one. First off I would like to say thanks to Jeff Kay for finding the PSAPI stuff on MSDN. 🙂 Also, I would like to say […]

Environment: VC6, Windows 2000, Windows NT 4.0 SP3 Note: This article is specific to Windows 2000 and Windows NT 4.0 SP3+. It does not support Windows 95 or 98. For Windows NT 4, you will need PDH.DLL and PDH.LIB which are not supplied with the OS. I wrote this code because I couldn’t find any […]

Environment: Windows 2000 VC 6.0 Newest Win32 API (Required) IMPORTANT NOTE: To compile this sample you must be running Windows 2000 and the latest WIN32 API which you can download from Microsoft. This program will only run under Windows 2000. It makes use of the new features of the OS. The purpose of this example […]

Step 1 : Creating the Project Start Visual C++ en create a simple dialog based application labelled “Graph” Step 2 : Add the MSChart OCX to Your Project Select “project menu” option and select “Components and contols” and then choose the MSChart component en click “add” Step 3 : Add the MSChart OCX to Your […]