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Download Source Code and Example (Unzip with directory preservation. If you just want to download the article code and compile it, click here to see further instructions) Most programmers shy away from building applications that support more than one language, the programmer’s native language (also called the ‘domestic language’). The reason for this is that […]

What does this code do? This code shows one way of using the additional information provided by digitising tablets in an MFC application. Graphics or digitising tablets, which use a pen or a puck provide more information than a mouse pointer. They provide a direction that the pointer is rotated about it’s central point and […]

Download sample project and source files I had a need for a combobox that would auto-complete, very much like the URL edit box in the toolbar of Netscape Navigator. It was actually surprisingly simple since the base CComboBox is so rich in functionality. The basic idea is that every time the text in the edit […]

–> A dialog-based application is an application that uses a CDialog box as it’s mainframe, rather than the familier mainframe-document-view architecture. Here is a nice simple trick you can use in programming such an application: Suppose you want to use two dialog-boxes in your application and you have to use both dialog-box in your main […]

While creating a fairly complex resizable dialog application, I became annoyed with the amount the controls flickered while being sized. What I wanted was something along the lines of the rubber band sizing available with Plus!, where the contents of the application are sized only when the dragging action is finished. The solution I came […]

This file is useful as an options dialog. There can be a lot of items and each has it’s own group of controls. Download Source – 25 KB

The AVI Player may be called by applications during lengthy operations (database operations, etc.). The DLL provides the caller with a couple of standard AVI files, that is these AVI files are residing in the DLL resource. Additional you may also play an AVI out of the callers resource. The DLL displays a modeless dialog […]

NumEdit is a simple edit control that forces the user to enter a double value in e notation, such as 1.23, 12e4, -12E4, and so forth. The member functions GetValue() and SetValue() make working with doubles in the edit field a bit easier. Just declare a variable as type CNumEdit, and off you go. Download […]

To use this icon combo box, follow these simple steps. Include IconComboBox.cpp and IconComboBox.h in your project. In the resource editor create a regular combobox with at least the following styles: DropList, OwnerDraw Variable, Has Strings Create a control member variable for the combobox in VC’s classwizard. Replace CComboBox with CIconComboBox in your  .h file. […]

In my projects I often need to evaluate expressions. So I created a class that provides evaluation of expressions with the posibility to declare variables and easy functions. For this article I include the XEvaluate-class in a ‘calculator’-dialog, but normaly, I use the class in my application like this: XString erg = Evaluate("1+2*sqr(3)"). !!! The […]

In most newsgroups that have something to do with Windows programming there are postings on how to change window’s shape. I thought that there must be an article about this here, and when I didn’t find one, I decided to write one myself. In reality changing window’s shape is very easy to do, although most […]

INSTRUCTIONS These are the steps used in the project file to add multi-level undo/redo capability to the Scribble application. Copy Files Copy scribble tutorial files (I used step 3) into new folder. Copy “command” and “ref object” files into the folder and add them to the project. You could also put them in a library […]