SynchronizedKeyedCollection<K,T>.Contains(K) Method

Definition

Returns a value that indicates whether the collection contains an item with a specified key.

C#
public bool Contains(K key);

Parameters

key
K

The key of type K being tested for.

Returns

true if the collection contains an item with the key specified; otherwise, false.

Applies to

Product Versions
.NET Framework 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1