Complete Example for Error Handlers

http://msdn.microsoft.com/en-us/library/bb397417.aspx

Constructors- private vs static

http://www.codeproject.com/KB/dotnet/ConstructorsInCSharp.aspx
http://aspalliance.com/770_Constructors_in_C

Value type vs Reference types

http://en.csharp-online.net/Value_vs_Reference