If you want to conceal chunks of data like connection strings or data written to a database or XML file then you could use the simplified class resting on the CryptoAPI demonstrated in this article.
Latest Misc Articles - Page 29
Creating a Transposition Table
Use a transposition algorithm in Visual Basic. Using any text, the algorithm produces every permutation possible. (The article, demo project, and source code were updated.)
Paul's Recipe for a Perfect Project
Just for fun, Paul Kimmel provides his recipe for building a successful project.
Understanding UDTs
Go behind the scenes to learn how VB handles User Defined Types (UDTs) internally. See how VB stores UDTs in memory and learn how to use them in non-conventional ways, such as saving them to byte arrays, dumping them to files, and using them to accesses byte values of other data types.
Understanding Plugins
Learn how to create plugins for your applications using Visual Basic.
Permutations in Visual Basic -- Generating All Possible Combinations
Generating all possible combinations of a string in Visual Basic.
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MFC Integration with the Windows Transactional File System (TxF)
The Transactional File System (TxF), which allows access to an NTFS file system to be conducted in a transacted manner through extensions to the Windows SDK API. MFC 10, has been extended to support TxF and related technologies. This support allows existing MFC applications to be easily extended to support kernel transactions.
.NET Framework: Collections and Generics
The original release of the .NET Framework included collections as .NET was introduced to the Microsoft programming world. The .NET Framework 2.0 introduced generics to complement the System.Collections namespace and provide a more efficient and well performing option. Read on to learn more...

How to use Visual Studio 2012 to Download Images from Websites
Learn how to use a for loop to loop through all of the images found on a web page and save them via the DownloadFile method of the WebClient object.

SOLID Principles in C# - An Overview
SOLID principles form the base for writing good and clean object oriented code in C#. Learn about the S.O.L.I.D principles and explore C# coding samples for each.
