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

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

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

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

public LinkedListNode<T> AddBefore(
	LinkedListNode<T> node,
	T value
)

Parameters

node
Type: System.Collections.Generic.LinkedListNode<T>
The LinkedListNode<T> before which to insert a new LinkedListNode<T> containing value.
value
Type: T
The value to add to the LinkedList<T>.

Return Value

Type: System.Collections.Generic.LinkedListNode<T>
The new LinkedListNode<T> containing value.

ExceptionCondition
ArgumentNullException

node is null.

InvalidOperationException

node is not in the current LinkedList<T>.

LinkedList<T> accepts null 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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