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Lookup(Of TKey, TElement).GetEnumerator Method

Returns a generic enumerator that iterates through the Lookup(Of TKey, TElement).

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

Public Function GetEnumerator As IEnumerator(Of IGrouping(Of TKey, TElement))


IEnumerable(Of T).GetEnumerator

The following example demonstrates how to use GetEnumerator to iterate through the keys and values of a Lookup(Of TKey, TElement). This code example is part of a larger example provided for the Lookup(Of TKey, TElement) class.

Dim output As New System.Text.StringBuilder
' Iterate through each IGrouping in the Lookup and output the contents. 
For Each packageGroup As IGrouping(Of Char, String) In lookup
    ' Print the key value of the IGrouping.
    ' Iterate through each value in the IGrouping and print its value. 
    For Each str As String In packageGroup
        output.AppendLine(String.Format("    {0}", str))

' Display the output.

.NET Framework

Supported in: 4.5.2, 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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