Example #1
0
        private void GetAttachmentsFromConversation(MailItem mailItem)
        {
            if (mailItem == null)
            {
                return;
            }

            if (mailItem.Attachments.CountNonEmbeddedAttachments() > 0)
            {
                return;
            }

            System.Collections.Generic.Stack <MailItem> st = new System.Collections.Generic.Stack <MailItem>();

            // Determine the store of the mail item.
            Outlook.Folder folder = mailItem.Parent as Outlook.Folder;
            Outlook.Store  store  = folder.Store;
            if (store.IsConversationEnabled == true)
            {
                // Obtain a Conversation object.
                Outlook.Conversation conv = mailItem.GetConversation();
                // Check for null Conversation.
                if (conv != null)
                {
                    // Obtain Table that contains rows
                    // for each item in the conversation.
                    Outlook.Table table = conv.GetTable();
                    _logger.Debug("Conversation Items Count: " + table.GetRowCount().ToString());
                    _logger.Debug("Conversation Items from Root:");

                    // Obtain root items and enumerate the conversation.
                    Outlook.SimpleItems simpleItems = conv.GetRootItems();
                    foreach (object item in simpleItems)
                    {
                        // In this example, enumerate only MailItem type.
                        // Other types such as PostItem or MeetingItem
                        // can appear in the conversation.
                        if (item is Outlook.MailItem)
                        {
                            Outlook.MailItem mail     = item as Outlook.MailItem;
                            Outlook.Folder   inFolder = mail.Parent as Outlook.Folder;
                            string           msg      = mail.Subject + " in folder [" + inFolder.Name + "] EntryId [" + (mail.EntryID.ToString() ?? "NONE") + "]";
                            _logger.Debug(msg);
                            _logger.Debug(mail.Sender);
                            _logger.Debug(mail.ReceivedByEntryID);

                            if (mail.EntryID != null && (mail.Sender != null || mail.ReceivedByEntryID != null))
                            {
                                st.Push(mail);
                            }
                        }
                        // Call EnumerateConversation
                        // to access child nodes of root items.
                        EnumerateConversation(st, item, conv);
                    }
                }
            }

            while (st.Count > 0)
            {
                MailItem it = st.Pop();

                if (it.Attachments.CountNonEmbeddedAttachments() > 0)
                {
                    //_logger.Debug(it.Attachments.CountNonEmbeddedAttachments());

                    try
                    {
                        if (mailItem.IsMailItemSignedOrEncrypted())
                        {
                            if (MessageBox.Show(null, "Es handelt sich um eine signierte Nachricht. Soll diese für die Anhänge ohne Zertifikat dupliziert werden?", "Nachricht duplizieren?", MessageBoxButtons.YesNo) == DialogResult.Yes)
                            {
                                mailItem.Close(OlInspectorClose.olDiscard);
                                mailItem = mailItem.Copy();
                                mailItem.Unsign();
                                mailItem.Save();
                                mailItem.Close(OlInspectorClose.olDiscard);
                                mailItem.Save();
                            }
                            else
                            {
                                st.Clear();
                                break;
                            }
                        }

                        mailItem.CopyAttachmentsFrom(it);
                        mailItem.Save();
                    }
                    catch (System.Exception ex)
                    {
                        //mailItem.Close(OlInspectorClose.olDiscard);
                        MessageBox.Show(ex.Message);
                    }

                    st.Clear();
                }
            }
            st.Clear();

            Marshal.ReleaseComObject(mailItem);
        }