ConcurrentDictionary<TKey,TValue>.Count Property 
Definition
Important
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Gets the number of key/value pairs contained in the ConcurrentDictionary<TKey,TValue>.
public:
 property int Count { int get(); };public int Count { get; }member this.Count : intPublic ReadOnly Property Count As IntegerProperty Value
The number of key/value pairs contained in the ConcurrentDictionary<TKey,TValue>.
Implements
Exceptions
The dictionary contains too many elements.
Remarks
This property has snapshot semantics and represents the number of items in the System.Collections.Concurrent.ConcurrentDictionary<TKey,TValue> at the moment when the property was accessed.