Anders Hesselbom

Category: Visual Basic 8

.NET controls in Microsoft Access
2010-05-05

Creating ActiveX objects in Visual Basic .NET is easy from Visual Studio 2008. There are a few checkboxes to tick, and a class attribute to add. But if you are doing an ActiveX control for use in let's say an Microsoft Access application, there are s [...]

How to upload a file
2009-09-17

First I must mention that this is my first ever blog post using Windows Live Writer. The topic was inspired by a question that was raised on the MSDN forums. How do I upload a file, and how can I control the remote filename? This is how it could be d [...]

Get the bytes from a file
2009-02-05

The bytes of a file are the file’s data at the lowest level available, and in .NET bytes are usually stored in byte arrays. If you’re not trying to cheat in a role playing game by hacking some save file, why would you want to load the bytes of the fi [...]

Optional arguments in Visual Basic
2008-12-27

Some things that can be accomplished using optional arguments can also be accomplished using overloading. I usually write the function with the most arguments first, and then I do overloaded versions of the function that calls the first version and p [...]

Microsoft Reporting and parameters
2008-12-13

If you use Microsoft Reporting, anyone that is used to work with ASP.NET 2.0 or later will be very familiar. In this example, I use the Northwind database (Microsoft Access - not SQL Server). Add the report file, create and configure the data sou [...]

Crystal Reports and dynamic data sources
2008-12-13

For this example, I have downloaded the Access 2000 Northwind database from http://www.microsoft.com/. If you google on the filename (nwind.mdb), make sure that you download it from Microsoft's web site. The problem I have with Crystal Reports [...]

Loading and saving bitmap images
2008-12-13

Instances of the Bitmap class (System.Drawing.Bitmap) represent a bitmapped image. To load an image, just pass the filename to the Bitmap constructor. This example loads a jpeg image from the "my pictures" folder in the current user's local stora [...]

Multithreaded search and the BackgroundWorker
2008-12-13

The background worker component in .NET Framework is designed to make it easy to execute code in a separate thread. One purpose of writing multithreaded applications might be to allow an application to do heavy work without deteriorating the user [...]