#958 – Naming Conventions for Identifiers

By convention, readable C# code typically uses some naming convention for identifiers in the code.

Identifiers in your code include:

  • Type names (class, struct, interface, delegate, enum)
  • Class members (methods, properties, constants, fields, events)
  • Local variables

Recommended rules for identifier naming:

  • Limit to alphanumeric (e.g. ‘a’..’z’, ‘A’..’Z’, ‘0’..’9′)
  • Begin identifier with an alphabetic character
  • No abbreviations within identifier
  • Longer identifiers are typically more clear (within reason)

Identifiers should use either PascalCasing or camelCasing:

  • PascalCasing
    • Capitalize first letter of each word
    • Capitalize only first letter of 3+ letter acronyms
    • e.g. MyLogFileWriter
  • camelCasing
    • Capitalize first letter of all but first word
    • First letter of first word is lowercase
    • Capitalize only first letter of 3+ letter acronyms
    • e.g. pathToLogFile

Recommended:

  • PascalCasing for
    • Type Names  (but prefix interfaces with ‘I’)
    • Methods, Properties, Constants, Events, and public Fields
  • camelCasing for
    • Private fields, local variables, and method parameters
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About Sean
Software developer in the Twin Cities area, passionate about .NET technologies. Equally passionate about my own personal projects related to family history and preservation of family stories and photos.

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