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TypeBuilder.DefineNestedType Method (String, TypeAttributes, Type)

Defines a nested type, given its name, attributes, and the type that it extends.

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

public TypeBuilder DefineNestedType(
	string name,
	TypeAttributes attr,
	Type parent
)

Parameters

name
Type: System.String

The short name of the type. name cannot contain embedded nulls.

attr
Type: System.Reflection.TypeAttributes

The attributes of the type.

parent
Type: System.Type

The type that the nested type extends.

Return Value

Type: System.Reflection.Emit.TypeBuilder
The defined nested type.

ExceptionCondition
ArgumentException

The nested attribute is not specified.

-or-

This type is sealed.

-or-

This type is an array.

-or-

This type is an interface, but the nested type is not an interface.

-or-

The length of name is zero or greater than 1023.

-or-

This operation would create a type with a duplicate FullName in the current assembly.

ArgumentNullException

name is null.

This method can be used to create nested types even after the CreateType method has been called on the enclosing type.

The nested type needs to be complete before you can reflect on it using GetMembers, GetNestedType, or GetNestedTypes.

See the description of CreateType for the order in which nested types and nesting types should be completed.

A duplicate name is not necessarily created if name is identical to the name of a previously defined type or nested type. To be duplicates, the full names must be the same, including the namespace and all nesting types.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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