Dim workbook As Infragistics.Documents.Excel.Workbook = ExcelExampleRegion.CreateExampleWorkbook()
Dim worksheet as Infragistics.Documents.Excel.WorkSheet = workbook.Worksheets[0]
' Set a worksheet region on the active worksheet's filter settings.
worksheet.FilterSettings.SetRegion("A2:G2")
' Apply average filter to first available column.
worksheet.FilterSettings.ApplyAverageFilter(0, Infragistics.Documents.Excel.Filtering.AverageFilterType.AboveAverage)
workbook.Save("C:\WorksheetFiltering-Filtered.xlsx")