Hannes DuPreez

Introduction Ever wondered how to create an MRU (Most Recently Used) menu list? Well, in today’s article I will show you a quick way of keeping track of which files were opened and saved so that you can re-open them quicker. There are various ways, the Registry being the most popular, but sometimes a PC […]

Introduction Well, we’re going to create a simple CD player in C#. Be warned, though, that this is a lot of work. Therefore, this series being divided into three parts. In this part, I am only going to concentrate on most of the Windows API functions that can be used to create the various aspects […]

Introduction I have mentioned and demonstrated the Process class before in some of my earlier articles, but I haven’t gone in too much detail as to what you can do with it. This article aims to demonstrate the most common uses of the Process class so that you can launch separate processes (programs) in a […]

Continuing this series, Part 5 talks about the ImageList. What Is an ImageList? An ImageList holds images for toolbars, menubars, or any other component making use of many images. An example of an ImageList in action is shown in Figure 1. Figure 1: Microsoft Word Toolbar You will see that the ImageList can produce many […]

In the first article, “MessageQueue in .NET, Part 1: The Background Work on Windows,” you saw how to set up MSMQ and what its purpose is. With today’s article, you will learn how to create two entirely different programs that can send messages to one another with the help of MSMQ. First, a quick recap, […]

What Is a DateTimePicker? A DateTimePicker allows the user to select dates and times. An example of a DateTimePicker in action is shown in Figure 1. Figure 1: Change computer date You will see that the DateTimePicker has many faces, all of which depend on the various properties you can set. Using the DateTimePicker Let’s […]

Hello and welcome to my article. Today, I’d like to show you how to perform basic serial port communication. It is quite easy, so let’s get started. Open Visual Studio 2019 and create a new Console Application in either C# or VB.NET As usual, let’s start by adding the necessary namespaces. C# using System; using […]

Welcome to my article. Today, I would like to talk about using the FileSystemWatcher in .NET. What Is FileSystemWatcher? As the name implies, it watches the system for files. To put it better: It watches a folder for any changes. These changes could be things like file deletion, file renaming, changing the properties of a […]

Introduction Hello and welcome to my article. Today, I’d like to speak about MessageQueue in .NET. But, to do that, I need to explain how MSMQ works in the background. So, this will be Part 1, and in Part 2 we will do it practically in .NET What Is MSMQ? Microsoft Message Queuing (MSMQ) is […]

What is a ListBox? A ListBox shows items inside a list. You can select items one by one, or even select multiple items depending on whether the SelectionMode property is set to SelectionMode.MultiSimple or SelectionMode.MultiExtended. A few ListBoxes are shown in Figure 1. Figure 1: Fonts Screen You will see that the Font, Font Style, […]

Part One of my “Common .NET controls crash course” articles, “Common .NET Controls Crash Course, Part 1: Checkboxes,” spoke about the Checkbox control and how to use it. In Part 2, I am going to speak about the RadioButton control. What Is a RadioButton? A RadioButton control enables a user to select a single option […]

One gets so lost in all that is complicated that you tend to forget the basics. Recently, I had to make use of checkboxes in a project, and I forgot something simple. I suppose it depends on how much you work with certain controls, or in my case, age might be a factor… Today, I […]