private void dataGridViewDistances_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            string text = null;

            try
            {
                if (e.RowIndex == -1)
                {
                    return;
                }

                if (e.ColumnIndex == 0 && e.RowIndex < dataGridViewDistances.Rows.Count)
                {
                    Object ob = dataGridViewDistances[e.ColumnIndex, e.RowIndex].Value;
                    if (ob != null)
                    {
                        text = ob.ToString();
                    }

                    System.Diagnostics.Trace.WriteLine("Click:" + e.RowIndex.ToString() + ":" + e.ColumnIndex.ToString());

                    if (!string.IsNullOrEmpty(text))
                    {
                        try
                        {
                            System.Windows.Forms.Clipboard.SetText(text);
                        }
                        catch
                        {
                            _discoveryForm.LogLineHighlight("Copying text to clipboard failed");
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                System.Diagnostics.Trace.WriteLine("Exception dataGridViewDistances_CellClick: " + ex.Message);
                System.Diagnostics.Trace.WriteLine("Trace: " + ex.StackTrace);
            }
        }