Keywords

The following words are treated as keywords in C#, and have special meaning:

RemObjects C# Keywords

RemObjects C# adds the following handful of keywords to support some Language Extensions to Microsoft's standard C# implementation.

• __aspect — referencing Aspects
• __autoreleasepool — defining Auto-Release Pools for ARC
• __block — defining Blocks
• __ensure — Class Contracts (Post-Conditions)
• __extension — declare a type extension
• __inline — declaring inline methods
• __invariants — Class Contracts (Invariants)
• __mapped — defining Mapped Types
• __old — Class Contracts (Post-Conditions)
• __published — "Published" visibility for class members, when using Delphi SDKs
• __require — Class Contracts (Pre-Conditions)
• __result — accessing the result of a method
• __selector — declaring selector literals
• __strong — optional Storage Modifier for strong references in ARC (default)
• __unretained — Storage Modifier for unsafe/unretained references in ARC
• __weak— Storage Modifier for weak references in ARC

Standard C# Keywords

These standard keywords are defined by the C# language spec (as of version 5.0 of the C# language), and are also all used by RemObjects C#:

• abstract
• add
• as
• ascending
• assembly
• async
• await
• base
• bool
• break
• by
• byte
• case
• catch
• char
• checked
• class
• const
• continue
• decimal
• default
• delegate
• descending
• do
• double
• dynamic
• else
• enum
• equals
• event
• explicit
• extern
• false
• file
• finally
• fixed
• float
• for
• foreach
• from
• get
• goto
• group
• if
• implicit
• in
• int
• interface
• internal
• into
• is
• join
• let
• lock
• long
• main
• managed
• module
• namespace
• new
• null
• object
• on
• operator
• orderby
• out
• override
• params
• partial
• private
• protected
• public
• readonly
• ref
• remove
• return
• sbyte
• sealed
• select
• set
• short
• sizeof
• stackalloc
• static
• string
• struct
• switch
• this
• throw
• true
• try
• typeof
• uint
• ulong
• unchecked
• unmanaged
• unsafe
• ushort
• using
• value
• var
• virtual
• void
• volatile
• where
• while

• yield

• Cdecl

• Fastcall
• Stdcall
• Thiscall

The following four (undocumented) standard C# keywords are not supported. RemObjects C# will recognize them as keywords, but merely emit an error and not allow their use:

• __arglist
• __refvalue
• __makeref
• __reftype