FrozenDictionary<TKey,TValue>.AlternateLookup<TAlternateKey>.ContainsKey Method

Reference

Definition

Namespace:: System.Collections.Frozen

Assembly:: System.Collections.Immutable.dll

Package:: System.Collections.Immutable v9.0.0

Source:: FrozenDictionary.AlternateLookup.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Determines whether the FrozenDictionary<TKey,TValue> contains the specified alternate key.

public:
 bool ContainsKey(TAlternateKey key);

public bool ContainsKey (TAlternateKey key);

member this.ContainsKey : 'AlternateKey -> bool

Public Function ContainsKey (key As TAlternateKey) As Boolean

Parameters

key: TAlternateKey

The alternate key to check.

Returns

Boolean

true if the key is in the dictionary; otherwise, false.

Exceptions

ArgumentNullException

key is null.

Applies to

Share via