private async Task ExportToExcel()
        {
            ExcelIndicatorVisible             = true;
            Thread.CurrentThread.IsBackground = true;

            var result = await _excelWriter.ExportToExcel(_fileName, CoverSample, CoverSample.CoverResult.DataMatrix.DataTable, CoverResult.TestMatrix.DataTable);

            if (result.HasErrors())
            {
                ErrorBox(result);
            }

            ExcelIndicatorVisible = false;
        }