C # keywords

 

A keyword is a predefined identifier reserved for the compiler. They cannotProgramIs used as an identifier, unless they have@Prefix. For example,@ IfIs a valid identifier,IfNo, becauseIfIs a keyword.

The keywords listed in the first table in this topic are reserved identifiers in any part of the C # program. The second table in this topic lists the context keywords in C. A context keyword has a special meaning only in the context of a restricted program and can be used as an identifier outside the context. Generally, when adding new keywords to the C # language, they are also added as context keywords to avoid damaging programs written in earlier versions of the language.

Abstract	As	Base	Bool
Break	Byte	Case	Catch
Char	Checked	Class	Const
Continue	Decimal	Default	Delegate
Do	Double	Else	Enum
Event	Explicit	Extern	False
Finally	Fixed	Float	For
Foreach	Goto	If	Implicit
In	In (generic modifier)	Int	Interface
Internal	Is	Lock	Long
Namespace	New	Null	Object
Operator	Out	Out (generic modifier)	Override
Params	Private	Protected	Public
Readonly	Ref	Return	Sbyte
Sealed	Short	Sizeof	Stackalloc
Static	String	Structure	Switch
This	Throw	True	Try
Typeof	Uint	Ulong	Unchecked
Unsafe	Ushort	Using	Virtual
Void	Volatile	While

Context keyword

The context keyword is used to provideCodeBut it is not a reserved word in C. Some context keywords (suchPartialAndWhere) Has a special meaning in two or more contexts.

Add	Alias	Ascending
Descending	Dynamic	From
Get	Global	Group
Into	Join	Let
Orderby	Partial (type)	Partial (method)
Remove	Select	Set
Value	VaR	Where (generic type constraints)
Where (query clause)	Yield

See

Converted from msdn original http://msdn.microsoft.com/zh-cn/library/x53a06bb.aspx