Design Guidelines - Naming Guidelines

Capitalization Conventions:
Pascal Casing
The first letter in the identifier and the first letter of each subsequent concatenated word are capitalized. You can use Pascal case for identifiers of three or more characters. For example:
BackColor
Camel Casing
The first letter of an identifier is lowercase and the first letter of each subsequent concatenated word is capitalized. For example:
backColor
Uppercase
All letters in the identifier are capitalized. For example:
IO

Capitalization Rules for Identifiers
When an identifier consists of multiple words, do not use separators, such as underscores ("_") or hyphens ("-"), between words. Instead, use casing to indicate the beginning of each word.
The following guidelines provide the general rules for identifiers.
Do use Pascal casing for all public member, type, and namespace names consisting of multiple words.
Note that this rule does not apply to instance fields
Do use camel casing for parameter names.

Do not assume that all programming languages are case-sensitive. They are not. Names cannot differ by case alone.