good articles on OOP programming

good articles on OOP programming

1. Track Object Finalization
2. Data Transfer Object
3. Objects Comparer
4. Implementing Deep Cloning using Reflection
5. Using Objects Comparer to Compare Complex Objects in C#
6. An Easy to Use Observer Pattern Implementation (No Inheritance Required)
7. Runtime Object Editor
8. Object Inspector
9. Finding Undisposed Objects
10. Object Comparer
11. Code Rescue: Copying code from CodeProject to Visual Studio
12. Timer surprises, and how to avoid them
13. Facts and Fallacies of Events in C#
14. LPTextFileDiff: another textfile compare utility.
15. Object Explorer
16. Deep copy of objects in C#
17. Following object inheritance
18. 
    
19. Introduction to Object Oriented Programming Concepts (OOP) and More
20. Why Object Oriented Programming Matters
21. Lessons from a Life in a Chair
22. How to Write a Really Object Oriented Program
23. How to write a really object oriented program

a good example to write Canvas class as an exercise. worth reading it..

24. Introduction to UML
25. The refactoring guideline
26. The Big Testing Guideline
27. Object Oriented Programming with C++
28. dwl::fractalBrowser
29. Delegates: C++11 vs. Impossibly Fast - A Quick and Dirty Comparison
30. DWinLib 6: Pretty WinAPI Incorporation
31. Programmatically change display resolution
32. DWinLib - A Minimal Project
33. Object Oriented Design Principles
34. OOP in the Real World - Creating an Equation Editor
35. Building a General Purpose Interpreter, Math Engine and Parser in C#
36. NULL Object Design Pattern
37. Generic Object Factory
38. A Look At What's Wrong With Objects
39. Convert XML to C# Object
40. Object Oriented Programming Concepts