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TypeBuilder.DefineField Method (String, Type, FieldAttributes)

Adds a new field to the type, with the given name, attributes and field type.

Namespace: System.Reflection.Emit
Assembly: mscorlib (in mscorlib.dll)

public FieldBuilder DefineField (
	string fieldName,
	Type type,
	FieldAttributes attributes
public FieldBuilder DefineField (
	String fieldName, 
	Type type, 
	FieldAttributes attributes
public function DefineField (
	fieldName : String, 
	type : Type, 
	attributes : FieldAttributes
) : FieldBuilder



The name of the field. fieldName cannot contain embedded nulls.


The type of the field


The attributes of the field.

Return Value

The defined field.

Exception typeCondition


The length of fieldName is zero.


type is System.Void.


A total size was specified for the parent class of this field.


fieldName is a null reference (Nothing in Visual Basic).


The type was previously created using CreateTypeTypeBuilder.

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1, 1.0