private void timestampToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (timestamp != null)
            {
                timestamp.Show();

                return;
            }

            timestamp             = new TimestampWindow();
            timestamp.FormClosed += Timestamp_FormClosed;

            foreach (ConnectionRow row in connectionsRows)
            {
                timestamp?.Connections.Add(row.Connection);
            }

            timestamp.Show();
        }
 private void Timestamp_FormClosed(object sender, FormClosedEventArgs e)
 {
     timestamp.Dispose();
     timestamp = null;
 }