How to export cell tooltips to excel as comment tips in WinForms GridGroupingControl?

excelConverter.QueryExportRowRange += new GridGroupingExcelConverterControl.QueryExportRowRangeEventHandler(excelConverter_QueryExportRowRange);

excelConverter.ExportToExcel(this.gridGroupingControl1, saveFileDialog.FileName, exportingOptions);

void excelConverter_QueryExportRowRange(object sender, QueryExportRowRangeEventArgs e)
{
    GridTableDescriptor tableDescriptor = (GridTableDescriptor)e.Element.ParentTableDescriptor;
    int excelRowIndex = e.ExcelRange.Row;
    e.ExcelRange.AddComment().Text = "test";
}

AddHandler excelConverter.QueryExportRowRange, AddressOf excelConverter_QueryExportRowRange

excelConverter.ExportToExcel(Me.gridGroupingControl1, saveFileDialog.FileName, exportingOptions)

Private Sub excelConverter_QueryExportRowRange(ByVal sender As Object, ByVal e As QueryExportRowRangeEventArgs)
    Dim tableDescriptor As GridTableDescriptor = CType(e.Element.ParentTableDescriptor, GridTableDescriptor)
    Dim excelRowIndex As Integer = e.ExcelRange.Row
    e.ExcelRange.AddComment().Text = "test"
End Sub