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ICollection<T>.Contains(T) Method
Definition
- Namespace:
- System.Collections.Generic
- Assemblies:
- mscorlib.dll, System.Runtime.dll
- Assemblies:
- netstandard.dll, System.Runtime.dll
- Assembly:
- System.Runtime.dll
- Assembly:
- mscorlib.dll
- Assembly:
- netstandard.dll
- Source:
- ICollection.cs
- Source:
- ICollection.cs
- Source:
- Tuple.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 ICollection<T> contains a specific value.
public:
bool Contains(T item);public bool Contains(T item);abstract member Contains : 'T -> boolPublic Function Contains (item As T) As BooleanParameters
- item
- T
The object to locate in the ICollection<T>.
Returns
true if item is found in the ICollection<T>; otherwise, false.
Remarks
Implementations can vary in how they determine equality of objects; for example, List<T> uses EqualityComparer<T>.Default, whereas Dictionary<TKey,TValue> allows the user to specify the IEqualityComparer<T> implementation to use for comparing keys.
Applies to
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