LinkedList(Of T).AddFirst Method (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 at the start of the LinkedList(Of T).
Assembly: System (in System.dll)
Parameters
- node
- Type: System.Collections.Generic.LinkedListNode(Of T)
The new LinkedListNode(Of T) to add at the start of the LinkedList(Of T).
| Exception | Condition |
|---|---|
| ArgumentNullException | node is Nothing. |
| InvalidOperationException | node belongs to another LinkedList(Of T). |
LinkedList(Of T) accepts Nothing as a valid Value for reference types and allows duplicate values.
If the LinkedList(Of T) is empty, the new node becomes the First and the Last.
This method is an O(1) operation.
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