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LinkedList<T>::AddBefore Method (LinkedListNode<T>, LinkedListNode<T>)

Adds the specified new node before the specified existing node in the LinkedList<T>.

Namespace:  System.Collections.Generic
Assembly:  System (in System.dll)
public:
void AddBefore(
	LinkedListNode<T>^ node, 
	LinkedListNode<T>^ newNode
)

Parameters

node
Type: System.Collections.Generic::LinkedListNode<T>

The LinkedListNode<T> before which to insert newNode.

newNode
Type: System.Collections.Generic::LinkedListNode<T>

The new LinkedListNode<T> to add to the LinkedList<T>.

ExceptionCondition
ArgumentNullException

node is nullptr.

-or-

newNode is nullptr.

InvalidOperationException

node is not in the current LinkedList<T>.

-or-

newNode belongs to another LinkedList<T>.

LinkedList<T> accepts nullptr as a valid Value for reference types and allows duplicate values.

This method is an O(1) operation.

For an example that includes this method, see the LinkedList<T> class.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

Windows Phone 8.1, Windows Phone 8, 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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