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KeyValuePair(Of TKey, TValue).Key Property

Gets the key in the key/value pair.

Namespace:  System.Collections.Generic
Assembly:  mscorlib (in mscorlib.dll)

'Declaration
Public ReadOnly Property Key As TKey

Property Value

Type: TKey
A TKey that is the key of the KeyValuePair(Of TKey, TValue).

This property is read/only.

The following code example shows how to enumerate the keys and values in a dictionary, using the KeyValuePair(Of TKey, TValue) structure.

This code is part of a larger example provided for the Dictionary(Of TKey, TValue) class.

' When you use foreach to enumerate dictionary elements, 
' the elements are retrieved as KeyValuePair objects.
Console.WriteLine()
For Each kvp As KeyValuePair(Of String, String) In openWith
    Console.WriteLine("Key = {0}, Value = {1}", _
        kvp.Key, kvp.Value)
Next kvp

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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