See what you can find in this pdf
C# – The Big Ideas
A component oriented language
Everything really is an object
Robust and durable software
Preservation of Investment

Hello World
C# Program Structure
Type System
Predefined Types
Classes
Structs
Classes And Structs
Interfaces
Enums
Delegates
Unified Type System
Component Development
Properties
Indexers
Events
Sourcing
Attributes
XML Comments
Statements And Expressions
foreach Statement
Parameter Arrays
Operator Overloading
Versioning
Conditional Compilation
Unsafe Code

Download pdf Introduction to C#