ReadOnlyDictionary<TKey,TValue>.KeyCollection.ICollection<TKey>.Contains Method

Reference

Definition

Namespace:: System.Collections.ObjectModel

Assembly:: System.ObjectModel.dll

Assembly:: System.Runtime.dll

Assembly:: mscorlib.dll

Assembly:: netstandard.dll

Source:: ReadOnlyDictionary.cs

Important

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Determines whether the collection contains a specific value.

 virtual bool System.Collections.Generic.ICollection<TKey>.Contains(TKey item) = System::Collections::Generic::ICollection<TKey>::Contains;

bool ICollection<TKey>.Contains (TKey item);

abstract member System.Collections.Generic.ICollection<TKey>.Contains : 'Key -> bool
override this.System.Collections.Generic.ICollection<TKey>.Contains : 'Key -> bool

Function Contains (item As TKey) As Boolean Implements ICollection(Of TKey).Contains

Parameters

item: TKey

The object to locate in the collection.

Returns

Boolean

true if item is found in the collection; otherwise, false.

Implements

Contains(T)

Remarks

This member is an explicit interface member implementation. It can be used only when the ReadOnlyDictionary<TKey,TValue>.KeyCollection instance is cast to an ICollection<T> interface.

Applies to

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