Dictionary<TKey, TValue>.Enumerator.IDictionaryEnumerator.Key Property

Gets the key of the element at the current position of the enumerator.

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

Object IDictionaryEnumerator.Key { get; }

Property Value

Type: System.Object
The key of the element in the dictionary at the current position of the enumerator.

Implements

IDictionaryEnumerator.Key

ExceptionCondition
InvalidOperationException

The enumerator is positioned before the first element of the collection or after the last element.

After an enumerator is created or after a Reset is called, MoveNext must be called to advance the enumerator to the first element of the collection before reading the value of Key; otherwise, Key is undefined.

Key also throws an exception if the last call to MoveNext returned false, which indicates the end of the collection.

Key returns the same object until MoveNext is called. MoveNext sets Key to the next element.

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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