--
With Chart.SeriesList
.AddGanttSeries("任务一", #1/1/2010#, #3/9/2010#)
Chart.SeriesList(0).DataLabelText = "10.1.1-10.3.9"
Chart.SeriesList(0).DataLabelVisible = True
Chart.SeriesList(0).DataLabelForeColor = color.red
.AddGanttSeries("任务二", #2/10/2010#, #2/14/2010#)
Chart.SeriesList(1).DataLabelText = "10.2.10-10.2.14"
Chart.SeriesList(1).DataLabelVisible = True
Chart.SeriesList(1).DataLabelForeColor = color.red