• Article

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

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

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)

Syntax

'Declaration
Public Function AddBefore ( _
    node As LinkedListNode(Of T), _
    value As T _
) As LinkedListNode(Of T)

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

Parameters

Return Value

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

Exceptions

Exception Condition
ArgumentNullException

node is nulla null reference (Nothing in Visual Basic).
InvalidOperationException

node is not in the current LinkedList<T>.

Remarks

LinkedList<T> accepts nulla null reference (Nothing in Visual Basic) as a valid Value for reference types and allows duplicate values.

This method is an O(1) operation.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

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