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TypeBuilder.DefineInitializedData Method

Defines initialized data field in the .sdata section of the portable executable (PE) file.

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

public FieldBuilder DefineInitializedData(
	string name,
	byte[] data,
	FieldAttributes attributes


Type: System.String
The name used to refer to the data. name cannot contain embedded nulls.
Type: System.Byte[]
The blob of data.
Type: System.Reflection.FieldAttributes
The attributes for the field.

Return Value

Type: System.Reflection.Emit.FieldBuilder
A field to reference the data.


Length of name is zero.


The size of the data is less than or equal to zero, or greater than or equal to 0x3f0000.


name or data is null.


CreateType has been previously called.

The field that you create with this method will be static, even if you do not include FieldAttributes.Static in the attributes parameter.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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