LinkedList.RemoveFirst Method

Removes the node at the start of the LinkedList.

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

'Declaration
Public Sub RemoveFirst
'Usage
Dim instance As LinkedList(Of T)

instance.RemoveFirst
public void RemoveFirst ()
public function RemoveFirst ()
Not applicable.

Exception typeCondition

InvalidOperationException

The LinkedList 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 class.

' Move the first node to be the last node.
Dim mark1 As LinkedListNode(Of String) = sentence.First
sentence.RemoveFirst()
sentence.AddLast(mark1)

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

.NET Compact Framework

Supported in: 2.0

XNA Framework

Supported in: 1.0

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