private bool SendToCollection()
{
while (this.toIndex < this.toCollection.Count)
{
string str;
MultiAsyncResult result = (MultiAsyncResult)RecipientCommand.BeginSend(this.connection, this.toCollection[this.toIndex++].SmtpAddress + this.deliveryNotify, sendToCollectionCompleted, this);
if (!result.CompletedSynchronously)
{
return(false);
}
if (!RecipientCommand.EndSend(result, out str))
{
this.failedRecipientExceptions.Add(new SmtpFailedRecipientException(this.connection.Reader.StatusCode, this.toCollection[this.toIndex - 1].SmtpAddress, str));
}
}
return(true);
}
private void SendToCollection()
{
while (_toIndex < _toCollection.Count)
{
MultiAsyncResult result = (MultiAsyncResult)RecipientCommand.BeginSend(_connection,
_toCollection[_toIndex++].GetSmtpAddress(_allowUnicode) + _deliveryNotify,
s_sendToCollectionCompleted, this);
if (!result.CompletedSynchronously)
{
return;
}
string response;
if (!RecipientCommand.EndSend(result, out response))
{
_failedRecipientExceptions.Add(new SmtpFailedRecipientException(_connection.Reader.StatusCode,
_toCollection[_toIndex - 1].GetSmtpAddress(_allowUnicode), response));
}
}
SendData();
}
private void SendTo()
{
if (this.to != null)
{
IAsyncResult result = RecipientCommand.BeginSend(this.connection, (this.deliveryNotify != null) ? (this.to + this.deliveryNotify) : this.to, sendToCompleted, this);
if (result.CompletedSynchronously)
{
string str;
if (!RecipientCommand.EndSend(result, out str))
{
throw new SmtpFailedRecipientException(this.connection.Reader.StatusCode, this.to, str);
}
this.SendData();
}
}
else if (this.SendToCollection())
{
this.SendData();
}
}