ConcurrentDictionary<TKey,TValue>.IDictionary.Contains(Object) Method
Definition
Important
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Gets a value that indicates the IDictionary<TKey,TValue> contains an element with the specified key.
virtual bool System.Collections.IDictionary.Contains(System::Object ^ key) = System::Collections::IDictionary::Contains;
bool IDictionary.Contains (object key);
abstract member System.Collections.IDictionary.Contains : obj -> bool
override this.System.Collections.IDictionary.Contains : obj -> bool
Function Contains (key As Object) As Boolean Implements IDictionary.Contains
Parameters
- key
- Object
The key to locate in the IDictionary<TKey,TValue>.
Returns
true
if the IDictionary<TKey,TValue> contains an element with the specified key; otherwise, false
.
Implements
Exceptions
key
is null
.
Applies to
See also
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