[]
Gets or sets the period for the moving-average trendline.
This property applies to a trendline whose type is MovingAvg.
int Period { get; set; }
Property Period As Integer
worksheet.Range["A1:A4"].Value = new object[] { 10, 20, 30, 40 };
IShape shape = worksheet.Shapes.AddChart(ChartType.ColumnClustered, 20, 20, 360, 220);
shape.Chart.SeriesCollection.Add(worksheet.Range["A1:A4"], RowCol.Columns);
ITrendline trendline = shape.Chart.SeriesCollection[0].Trendlines.Add();
trendline.Type = TrendlineType.MovingAvg;
trendline.Period = 2;
int period = trendline.Period;