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ReadOnlyDictionary<TKey, TValue>::KeyCollection::ICollection<TKey>::Contains Method (TKey)
Determines whether the collection contains a specific value.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- item
-
Type:
TKey
The object to locate in the collection.
Implements
ICollection<T>::Contains(T)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
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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