Dim counter, myNum begin = 0 fin = 0 myNum = 20 Do While myNum > 10 myNum = myNum - 1 counter = counter + 1 Loop

Analysis.Chromatograms(1).AddRangeSelection 0, .1, 0, 0 Analysis.Chromatograms(1).AverageMassSpectrum true, falseAnalysis.Spectra.Export"C:\Data\150228128.xy",daXY