AddFirst Method (T)
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LinkedList<T>.AddFirst Method (T)

 

Adds a new node containing the specified value at the start of the LinkedList<T>.

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

public LinkedListNode<T> AddFirst(
	T value
)

Parameters

value
Type: T

The value to add at the start of the LinkedList<T>.

Return Value

Type: System.Collections.Generic.LinkedListNode<T>

The new LinkedListNode<T> containing value.

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 4.5
.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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