Gets the number of key-value pairs in the dictionary. Each value associated with a given key is counted. If duplicate values are permitted, each duplicate value is included in the count.

Returns a collection of all of the values in the dictionary associated with key, or changes the set of values associated with key. If the key is not present in the dictionary, an ICollection enumerating no values is returned. The returned collection of values is read-write, and can be used to modify the collection of values associated with the key.

Returns the IEqualityComparer<T> used to compare keys in this dictionary.

Gets a read-only collection all the keys in this dictionary.

Gets a read-only collection of all key-value pairs in the dictionary. If a key has multiple values associated with it, then a key-value pair is present for each value associated with the key.

Returns the IEqualityComparer<T> used to compare values in this dictionary.

Gets a read-only collection of all the values in the dictionary.