LinkedList<T>.AddFirst Method (LinkedListNode<T>)
.NET Framework (current version)
Adds the specified new node at the start of the LinkedList<T>.
Assembly: System (in System.dll)
Parameters
- node
-
Type:
System.Collections.Generic.LinkedListNode<T>
The new LinkedListNode<T> to add at the start of the LinkedList<T>.
| Exception | Condition |
|---|---|
| ArgumentNullException | node is null. |
| InvalidOperationException | node belongs to another LinkedList<T>. |
LinkedList<T> accepts null 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.
For an example that includes this method, see the LinkedList<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
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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