LinkedList<T>.AddFirst Method (LinkedListNode<T>)
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Adds the specified new node at the start of the LinkedList<T>.
Namespace: System.Collections.Generic
Assembly: System (in System.dll)
Syntax
'Declaration
Public Sub AddFirst ( _
node As LinkedListNode(Of T) _
)
public void AddFirst(
LinkedListNode<T> node
)
Parameters
- node
Type: System.Collections.Generic.LinkedListNode<T>
The new LinkedListNode<T> to add at the start of the LinkedList<T>.
Exceptions
| Exception | Condition |
|---|---|
| ArgumentNullException | node is nulla null reference (Nothing in Visual Basic). |
| InvalidOperationException | node belongs to another LinkedList<T>. |
Remarks
LinkedList<T> accepts nulla null reference (Nothing in Visual Basic) as a valid Value for reference types and allows duplicate values.
If the LinkedList<T> is empty, the new node becomes the First and the Last.
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.