/// <summary>
/// Deletes this recipient list and all email address items related to it.
/// </summary>
/// <remarks>
/// Using this class and any members after its deletion is risky, as any
/// data it might be referencing will not be available.
/// The EmailAddress property will be cleared when calling Delete.
/// </remarks>
public void Delete()
{
RecipientData dataUtil = GetWorker();
dataUtil.RecipientListDelete(_id);
// Reset collection
_emailAddresses = null;
ClearEmailAddressCount();
}