Enumerable.Last(Of TSource) Method (IEnumerable(Of TSource))
.NET Framework (current version)
Returns the last element of a sequence.
Assembly: System.Core (in System.Core.dll)
<ExtensionAttribute> Public Shared Function Last(Of TSource) ( source As IEnumerable(Of TSource) ) As TSource
Parameters
- source
-
Type:
System.Collections.Generic.IEnumerable(Of TSource)
An IEnumerable(Of T) to return the last element of.
Return Value
Type: TSourceThe value at the last position in the source sequence.
Type Parameters
- TSource
The type of the elements of source.
| Exception | Condition |
|---|---|
| ArgumentNullException | source is null. |
| InvalidOperationException | The source sequence is empty. |
The Last(Of TSource)(IEnumerable(Of 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(Of TSource) method.
The following code example demonstrates how to use Last(Of TSource)(IEnumerable(Of TSource)) to return the last element of an array.
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
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
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