TypeBuilder.DefineField Method (String, Type, array<Type[], array<Type[], FieldAttributes)

Microsoft Silverlight will reach end of support after October 2021. Learn more.

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

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

Syntax

'Declaration
<SecuritySafeCriticalAttribute> _
Public Function DefineField ( _
    fieldName As String, _
    type As Type, _
    requiredCustomModifiers As Type(), _
    optionalCustomModifiers As Type(), _
    attributes As FieldAttributes _
) As FieldBuilder

[SecuritySafeCriticalAttribute]
public FieldBuilder DefineField(
    string fieldName,
    Type type,
    Type[] requiredCustomModifiers,
    Type[] optionalCustomModifiers,
    FieldAttributes attributes
)

Parameters

• fieldName
  Type: System.String
  The name of the field. fieldName cannot contain embedded nulls.

• type
  Type: System.Type
  The type of the field

• requiredCustomModifiers
  Type: array<System.Type[]
  An array of types representing the required custom modifiers for the field, such as IsConst.

• optionalCustomModifiers
  Type: array<System.Type[]
  An array of types representing the optional custom modifiers for the field, such as IsConst.

• attributes
  Type: System.Reflection.FieldAttributes
  The attributes of the field.

Return Value

Type: System.Reflection.Emit.FieldBuilder
The defined field.

Exceptions

Exception	Condition
ArgumentException	The length of fieldName is zero. -or- type is System.Void. -or- A total size was specified for the parent class of this field.
ArgumentNullException	fieldName is nulla null reference (Nothing in Visual Basic).
InvalidOperationException	The type was previously created using CreateType.

Remarks

This overload is provided for designers of managed compilers.

Note:
For more information about custom modifiers, see the ECMA Partition II Metadata documentation. The documentation is available online; see ECMA C# and Common Language Infrastructure Standards on MSDN and Standard ECMA-335 - Common Language Infrastructure (CLI) on the Ecma International Web site.

Version Information

Silverlight

Supported in: 5, 4, 3

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

See Also

Reference

TypeBuilder Class

DefineField Overload

System.Reflection.Emit Namespace