SortedDictionary<TKey, TValue>.KeyCollection.ICollection<TKey>.Contains Method
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Determines whether the ICollection<T> contains the specified value.
Assembly: System (in System.dll)
Parameters
- item
- Type: TKey
The object to locate in the ICollection<T>.
Implements
ICollection<T>.Contains(T)Implementations can vary in how they determine equality of objects; for example, List<T> uses Comparer<T>.Default, whereas SortedDictionary<TKey, TValue> allows the user to specify the IComparer<T> implementation to use for comparing keys.
This method is an O(1) operation.
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