/// <summary>
/// Gets and sets the value with the specified key. Argument Exception is thrown
/// if the key does not already exist in the hash table.
/// </summary>
/// <param name="key">The key value to retrieve</param>
/// <returns>The value associated with the specified key</returns>
public TValue this[TKey key]
{
get
{
TValue value;
if (!_array.TryGetValue(key, out value))
{
throw new ArgumentException("key");
}
return(value);
}
set
{
_array.Update(key, value);
}
}
