Exchage 2007 Client Application Functions（4） -- 如何删除邮件

       public bool DeleteItem(ItemType item)
        {
            // Create the request.
            DeleteItemType request = new DeleteItemType();

            // Identify the items to delete.
            ItemIdType[] items = new ItemIdType[1];
            items[0] = item.ItemId; //items[0].Id = "AAAlAE1BQG1";
            request.ItemIds = items;

            // Identify how deleted items are handled.
            request.DeleteType = DisposalType.MoveToDeletedItems;

            // Identify how tasks are deleted.
            request.AffectedTaskOccurrences = AffectedTaskOccurrencesType.SpecifiedOccurrenceOnly;
            request.AffectedTaskOccurrencesSpecified = true;

            // Identify how meeting cancellations are handled.
            request.SendMeetingCancellations = CalendarItemCreateOrDeleteOperationType.SendToAllAndSaveCopy;
            request.SendMeetingCancellationsSpecified = true;

            try
            {
                // Send the response and receive the request.
                DeleteItemResponseType response = m_esb.DeleteItem(request);
                ArrayOfResponseMessagesType aormt = response.ResponseMessages;
                ResponseMessageType[] rmta = aormt.Items;

                // Check each response message.
                foreach (ResponseMessageType rmt in rmta)
                {
                    if (rmt.ResponseClass == ResponseClassType.Error)
                    {
                        return false;
                    }
                }
                return true;
            }
            catch (Exception e)
            {
                throw new Exception("Error :" + e.Message);
            }
        }