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);
}