Returns a collection of all of the values in the dictionary associated with key. If the key is not present in the dictionary, an ICollection with no values is returned. The returned ICollection is read-only.

public virtual ICollection<TValue> this[
	TKey key
] { get; }

public:
virtual property ICollection<TValue>^ default[TKey key] {
	ICollection<TValue>^ get (TKey key);
}