Hannes DuPreez

Security is a necessity in any program, in any system, for every action. Okay, I suppose I went a bit too far now, but I cannot stress enough how important some sort of security is for your applications. Put on your reading glasses and let’s see how easy it can be to implement Role-based Security […]

Introduction I have always loved playing around with controls to push them to their limits. Today is no exception. This article will provide you with enough background to be able to use the Owner draw methods to add more spice to your controls. Owner Drawing: What Is It? Owner drawing in Windows Forms, which is […]

Introduction There are few great tools that you can use to create Mobile Applications within Visual Studio 2015. With this article, I aim to provide you with enough background on each so that you can see what to expect in the official release of Visual Studio 2015. Xamarin Xamarin apps share code across all platforms: […]

Introduction Today, I would like to cover a simple yet advanced topic: How to create dynamic assemblies and how to run dynamic code. First, the basics (as usual)…. Assemblies Assemblies form the fundamental unit of deployment, version control, reuse, activation scoping, and security permissions for a .NET-based application. Assemblies take the form of an executable […]

Introduction What would the world be without sounds? I sit on my porch and listen to the birds and try to imagine a world without the sounds of birds chirping, kids laughing, and the sound of music. Before I get nostalgic, let me tell you that today’s article topic is recording sounds with Visual Basic. […]

Introduction SQL Transactions are magical little creatures. Before you think that you are reading a fantasy novel, I’ll stop; but really, SQL Transactions are quite powerful. With today’s article, I will explain what SQL Transactions are and how to use them properly in your Visual Basic applications. A Quick Beginner’s Guide to SQL Structured Query […]

Introduction Welcome to my article. Today, I will show you how to make a color scroller, the reason being that it is sometimes very difficult getting the precise colour combination. After getting the color combination, get the corresponding color code. Before I continue, let’s get some background on how precisely colors work and which Color […]

Introduction Hello, and welcome to my article. Today, I want to talk about how easy it is to create a Sudoku game with Visual Basic. What Is Sudoku? Sudoku is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9X9 grid with digits so that each column, each row, and each of the […]

Introduction One of my very first memories of starting out as a developer was that I once received code in C++ from one of my dad’s friends. This code was to create an analog clock (you know, the old round ones without digital numbers). It looked beautiful, but I did not understand any of the […]

Introduction Welcome to my article. Today, I would like to show you how to determine whether or not a USB stick has been inserted or removed. There are various ways, some easy and some not so easy, to determine USB disk insertion. You could use several APIs, such as RegisterDeviceNotification and UnregisterDeviceNotification, just to name […]