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Enumerable.Max Method (IEnumerable(Of Int64))

Returns the maximum value in a sequence of Int64 values.

Namespace:  System.Linq
Assembly:  System.Core (in System.Core.dll)
'Declaration
<ExtensionAttribute> _
Public Shared Function Max ( _
	source As IEnumerable(Of Long) _
) As Long

Parameters

source
Type: System.Collections.Generic.IEnumerable(Of Int64)

A sequence of Int64 values to determine the maximum value of.

Return Value

Type: System.Int64
The maximum value in the sequence.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerable(Of Int64). When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
ExceptionCondition
ArgumentNullException

source is Nothing.

InvalidOperationException

source contains no elements.

The Max(IEnumerable(Of Int64)) method uses the Int64 implementation of IComparable(Of T) to compare values.

In Visual Basic query expression syntax, an Aggregate Into Max() clause translates to an invocation of Max.

The following code example demonstrates how to use Max(IEnumerable(Of Int64)) to determine the maximum value in a sequence.

        ' Create a list of Long values. 
        Dim longs As New List(Of Long)(New Long() _
                                       {4294967296L, 466855135L, 81125L})

        ' Get the maximum value in the list. 
        Dim max As Long = longs.Max()

        ' Display the result.
        MsgBox("The largest number is " & max)

        ' This code produces the following output: 
        
        ' The largest number is 4294967296

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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