Add(TKey, TValue) Method
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Attempts to add the specified key and value to the dictionary.
public: bool TryAdd(TKey key, TValue value);
public bool TryAdd (TKey key, TValue value);
member this.TryAdd : 'Key * 'Value -> bool
Public Function TryAdd (key As TKey, value As TValue) As Boolean
The key of the element to add.
The value of the element to add. It can be
true if the key/value pair was added to the dictionary successfully; otherwise,
Unlike the Add method, this method doesn't throw an exception if the element with the given key exists in the dictionary. Unlike the Dictionary indexer,
TryAdd doesn't override the element if the element with the given key exists in the dictionary. If the key already exists,
TryAdd does nothing and returns