...Both VB.Net and C# versions are available.
There are two files associated either the VB.Net version (ANibbleOfAByte) or the C# version (CSharpNibbleOfAByte) that can be downloaded. One is a .exe that demonstrates various kinds of vb.net bit manipulation. (Both the C# and VB.Net exe's are available.) The other file is a .zip of the entire project. The .zip includes a standalone vb.net class (NibbleAndByte) that may be used in other vb.net applications if desired.
Virtually all functionality of the demo app derives from the NibbleAndByte class. ...