Export (0) Print
Expand All

LinkedList<T>.AddFirst Method (T)

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

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

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
Show:
© 2015 Microsoft