Framework Design Guidelines: Conventions, Idioms, and Patterns for Reusable .NET Libraries (2nd Edition) http://www.amazon.com/Framework-Design-Guidelines-Conve

Framework Design Guidelines: Conventions, Idioms, and Patterns for Reusable .NET Libraries (2nd Edition) http://www.amazon.com/Framework-Design-Guidelines-Conventions-Libraries/dp/0321545613/ http://www.amazon.com/Framework-Design-Guidelines-Convention... is an interesting read and contains the result of actual work on building a large and successful framework. Has information on exceptions, naming, extensibility, and common patterns.