- DirectoryTree for getting folders and files from given directory
- Geometric vectors addition and subtraction. Operators overloading
- File Class, Exception Handling
- CrazyButton
- Events and Delegates
- New MyLINQ exstensions like LINQ
- Iterators,IEnumerable and IEnumerator interfaces
- IndexersDemo with class Dictionary<>
- Asyncronous Programming,async await keywords,TPL
- System.Reflection class library
- Regular Expressions
