Enumerable.Last<'TSource> Method (IEnumerable<'TSource>)

.NET Framework (current version)

Returns the last element of a sequence.

Namespace: System.Linq
Assembly: System.Core (in System.Core.dll)

Syntax

static member Last<'TSource> : 
        source:IEnumerable<'TSource> -> 'TSource

Parameters

source: Type: System.Collections.Generic.IEnumerable<'TSource>
An IEnumerable<'T> to return the last element of.

Return Value

Type: TSource

The value at the last position in the source sequence.

Type Parameters

TSource: The type of the elements of source.

Exceptions

Exception	Condition
ArgumentNullException	source is null.
InvalidOperationException	The source sequence is empty.

The Last<'TSource>(IEnumerable<'TSource>) method throws an exception if source contains no elements. To instead return a default value when the source sequence is empty, use the LastOrDefault<'TSource> method.

Examples

The following code example demonstrates how to use Last<'TSource>(IEnumerable<'TSource>) to return the last element of an array.

No code example is currently available or this language may not be supported.

Version Information

Universal Windows Platform
Available since 8
.NET Framework
Available since 3.5
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