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LinkedList<T>.RemoveFirst Method

Removes the node at the start of the LinkedList<T>.

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

public void RemoveFirst()

ExceptionCondition
InvalidOperationException

The LinkedList<T> is empty.

This method is an O(1) operation.

The following code example and output demonstrate the RemoveFirst method. The code example inserts a new node at the beginning of a linked list of nodes containing strings, displays the list, marks the first element, removes it using the RemoveFirst method, and adds it to the end of the list.

This code and output are part of a larger example provided for the LinkedList<T> class.


// Move the first node to be the last node.
LinkedListNode<string> mark1 = sentence.First;
sentence.RemoveFirst();
sentence.AddLast(mark1);


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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