ReadOnlyDictionary<TKey, TValue>::KeyCollection::ICollection<TKey>::Contains Method (TKey)

 

Determines whether the collection contains a specific value.

Namespace:   System.Collections.ObjectModel
Assembly:  mscorlib (in mscorlib.dll)

private:
virtual bool Contains(
	TKey item
) sealed = ICollection<TKey>::Contains

Parameters

item
Type: TKey

The object to locate in the collection.

Return Value

Type: System::Boolean

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

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.

Universal Windows Platform
Available since 8
.NET Framework
Available since 4.5
Portable Class Library
Supported in: portable .NET platforms
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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