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

 

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

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

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).

Exception Condition
ArgumentNullException

node is null.

-or-

newNode is null.

InvalidOperationException

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

-or-

newNode belongs to another LinkedList(Of T).

LinkedList(Of T) accepts null 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(Of T) class.

Universal Windows Platform
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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