Key Property
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KeyValuePair<TKey, TValue>.Key Property


Gets the key in the key/value pair.

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

public TKey Key { get; }

Property Value

Type: TKey

A TKey that is the key of the KeyValuePair<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<TKey, TValue> structure.

This code is part of a larger example provided for the Dictionary<TKey, TValue> class.

// When you use foreach to enumerate dictionary elements,
// the elements are retrieved as KeyValuePair objects.
foreach( KeyValuePair<string, string> kvp in openWith )
    Console.WriteLine("Key = {0}, Value = {1}", 
        kvp.Key, kvp.Value);

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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