There are several articles I wrote for Code Project. Below is the list of them and short description.
Use the .NET Framework's Cryptography Classes to secure your data.
Using VB.NET and Java Script to Create ASP.NET Rich Edit Server Side Control.
Creating your own Sound alerts which will be displayed in the Sound applet (control panel) and accessed using code.
Setting up IIS and PWS so that it recognises full domain names as belonging to your machine.
An article on Changing Default File Icons and Adding your commands in Context Menu
An article on changing the Default Icons of the Folders
Capturing the Windows Messages for Windows Forms Controls