Namespaces

You can learn more about namespaces using these resources:

• Namespaces on MSDN - The Microsoft Developer Network should always be your first stop when you have a .NET related question.
• Understanding Namespaces - Also on MSDN, this is a more general overview of the concept of namespaces.

Using Directives

You can learn more about the using directive with the following resources:

• using Directive on MSDN - Covers not only what this tutorial has covered, but a few other things you can do with using.

Application Entry Points

There are a few different variants of entry points, here are some resources for discovering what they are and how they work:

• Main() and Command-Line Arguments (C# Programming Guide) on MSDN.