LinkedList<T>.First Property

Reference

Definition

Namespace:: System.Collections.Generic

Assemblies:: System.dll, System.Collections.dll

Assemblies:: netstandard.dll, System.Collections.dll

Assembly:: System.Collections.dll

Assembly:: System.dll

Assembly:: netstandard.dll

Source:: LinkedList.cs

Source:: LinkedList.cs

Source:: LinkedList.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Gets the first node of the LinkedList<T>.

public:
 property System::Collections::Generic::LinkedListNode<T> ^ First { System::Collections::Generic::LinkedListNode<T> ^ get(); };

public System.Collections.Generic.LinkedListNode<T> First { get; }

public System.Collections.Generic.LinkedListNode<T>? First { get; }

member this.First : System.Collections.Generic.LinkedListNode<'T>

Public ReadOnly Property First As LinkedListNode(Of T)

Property Value

LinkedListNode<T>

The first LinkedListNode<T> of the LinkedList<T>.

Examples

For an example that includes this property, see the LinkedList<T> class.

Remarks

LinkedList<T> accepts null as a valid Value for reference types and allows duplicate values.

If the LinkedList<T> is empty, the First and Last properties contain null.

Retrieving the value of this property is an O(1) operation.

Applies to

Продукт	Версії
.NET	Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework	2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard	1.0, 1.1, 1.2, 1.3, 1.4, 1.6, 2.0, 2.1
UWP	10.0

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