ILookup<TKey,TElement>.Contains(TKey) Metodo

Definizione

Spazio dei nomi:
System.Linq
Assembly:
System.Linq.dll
Assembly:
System.Core.dll
Assembly:
netstandard.dll

Determina se una chiave specificata esiste nell’oggetto ILookup<TKey,TElement>.Determines whether a specified key exists in the ILookup<TKey,TElement>.

public:
 bool Contains(TKey key);
public bool Contains (TKey key);
abstract member Contains : 'Key -> bool
Public Function Contains (key As TKey) As Boolean

Parametri

key
TKey

La chiave da cercare nell’oggetto ILookup<TKey,TElement>.The key to search for in the ILookup<TKey,TElement>.

Restituisce

Boolean

true se key è compreso in ILookup<TKey,TElement>; in caso contrario, false.true if key is in the ILookup<TKey,TElement>; otherwise, false.

Si applica a