C# 4.0 How-To

Chapter 3. General Coding

IN THIS CHAPTER

• Declare Variables

• Defer Type Checking to Runtime

• Use Dynamic Typing to Simplify COM Interop

• Declare Arrays

• Create Multidimensional Arrays

• Alias a Namespace

• Use the Conditional Operator (?:)

• Use the Null-Coalescing Operator (??)

• Add Methods to Existing Types with Extension Methods

• Call Methods with Default Parameters

• Call Methods with Named Parameters

• Defer Evaluation of a Value Until Referenced

• Enforce Code Contracts

This chapter contains essential, general C# knowledge that doesn’t fit easily into other chapters: from the multitude of ways to declare variables to the different types of multidimensional arrays and some of the “unusual” operators in C#.

Declare Variables