/// <summary>
/// Adds a key to the table.
/// </summary>
/// <param name="key">The key to add. key represents the object to which the property is attached.</param>
/// <param name="value">The key's property value.</param>
public void Add(TKey key, TValue value)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
_wrapped.AddNew(key, value);
}