AddBefore Method (LinkedListNode(T), LinkedListNode(T))
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LinkedList(Of T).AddBefore Method (LinkedListNode(Of T), LinkedListNode(Of T))

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Adds the specified new node before the specified existing node in the LinkedList(Of T).

Namespace:  System.Collections.Generic
Assembly:  System (in System.dll)

'Declaration
Public Sub AddBefore ( _
	node As LinkedListNode(Of T), _
	newNode As LinkedListNode(Of T) _
)

Parameters

node
Type: System.Collections.Generic.LinkedListNode(Of T)
The LinkedListNode(Of T) before which to insert newNode.
newNode
Type: System.Collections.Generic.LinkedListNode(Of T)
The new LinkedListNode(Of T) to add to the LinkedList(Of T).

ExceptionCondition
ArgumentNullException

node is Nothing.

-or-

newNode is Nothing.

InvalidOperationException

node is not in the current LinkedList(Of T).

-or-

newNode belongs to another LinkedList(Of T).

LinkedList(Of T) accepts Nothing as a valid Value for reference types and allows duplicate values.

This method is an O(1) operation.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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