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Failed to set the timestamp for the created message

• Thursday, June 04, 2009 8:29 AMImre Kovacs

   
  

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  Hi All,
  
  I trying to create messages in my exchange mailbox with the exchange web services. Everything is working fine, when I create the message and save that, but I cannot set the "sent" or "received" date because getting the next error message: "Set action is invalid for property." . The code, what I use is the next:
  
  

  private void ArchiveMsg(ExchangeUser user, string from, string to, string body)
  
          {
  
              MessageType msg = new MessageType();
  
              msg.ToRecipients = new EmailAddressType[1];
  
              msg.ToRecipients[0] = new EmailAddressType();
  
              msg.ToRecipients[0].EmailAddress = to;
  
  
  
              msg.From = new SingleRecipientType();
  
              msg.From.Item = new EmailAddressType();
  
              msg.From.Item.EmailAddress = from;
  
  
  
              msg.Body = new BodyType();
  
              msg.Body.BodyType1 = BodyTypeType.Text;
  
              msg.Body.Value = body;
  
              
  
              msg.DateTimeReceived = DateTime.Now.AddHours(-8);
  
              msg.DateTimeReceivedSpecified = true;
  
  
  
              CreateItemType createItem = new CreateItemType();
  
              createItem.Items = new NonEmptyArrayOfAllItemsType();
  
              createItem.Items.Items = new ItemType[1];
  
              createItem.Items.Items[0] = msg;
  
              createItem.MessageDisposition = MessageDispositionType.SaveOnly;
  
              createItem.MessageDispositionSpecified = true;
  
  
  
              createItem.SavedItemFolderId = new TargetFolderIdType();
  
              createItem.SavedItemFolderId.Item = GetFolder(esb, "some mailbox folder", "user@domain.com");
  
              CreateItemResponseType response = esb.CreateItem(createItem);
  
          }
  
  

  If I comment out the msg.DateTimeReceivedSpecified = true; line then the message is creating, but the timestamp is the current time.
  
  How can I set this property?
  
  Thanks in advance,
  
  Best Regards, Imre Kovács
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