IReadOnlyDictionary<TKey,TValue>.Item[TKey] IReadOnlyDictionary<TKey,TValue>.Item[TKey] IReadOnlyDictionary<TKey,TValue>.Item[TKey] IReadOnlyDictionary<TKey,TValue>.Item[TKey] Property

Definition

Gets the element that has the specified key in the read-only dictionary.

public:
 property TValue default[TKey] { TValue get(TKey key); };
public TValue this[TKey key] { get; }
member this.Item('Key) : 'Value
Default Public ReadOnly Property Item(key As TKey) As TValue

Parameters

key
TKey TKey TKey TKey

The key to locate.

Property Value

TValue TValue TValue TValue

The element that has the specified key in the read-only dictionary.

Exceptions

Remarks

This property lets you access a specific element in the collection by using the following syntax: myCollection[key] (myCollection(key) in Visual Basic).

Implementations can vary in how they determine the equality of objects: for example, the class that implements IReadOnlyDictionary<TKey,TValue> might use the Comparer<T>.Default property, or it might implement the IComparer<T> method.

Implementations can vary in whether they allow key to be null.

Applies to