void TransferOpenUI(IQ iq)
        {
            FileTransfer fileTransfer = new FileTransfer(Account.Instance.XmppConnection, iq,
                                                            Roster.Instance.FindContactOrGetNew(iq.From));
            FileTransfer.FileTransfers.Add(fileTransfer);

            try
            {
                FileTransferWindow fileTransferWindow = new FileTransferWindow();

                fileTransferWindow.Show();
                fileTransferWindow.Activate();
            }

            catch (WindowExistsException e)
            {
                e.ActivateControl();
            }
        }
        void TransferOpenUI(IContact contact, string filename)
        {
            FileTransfer fileTransfer = new FileTransfer(Account.Instance.XmppConnection, contact, filename);
            FileTransfer.FileTransfers.Add(fileTransfer);

            try
            {
                FileTransferWindow fileTransferWindow = new FileTransferWindow();

                fileTransferWindow.Show();
                fileTransferWindow.Activate();
            }

            catch (WindowExistsException e)
            {
                e.ActivateControl();
            }
        }