ConcurrentDictionary(Of TKey, TValue)
The ConcurrentDictionary collection has the same purpose of its thread-unsafe counterpart, but it differs in how methods work. All methods for adding, retrieving, and removing items return a Boolean value indicating success or failure, and their names all start with Try. The following code shows an example:
The logic of the collection is then the same of Dictionary, so refer to this one for details.
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