GrapeCity.Documents.Excel.Drawing.ITrendlines.Item

this Property

this[int]

Gets the ITrendline object at the specified index in this collection.

Use this indexer to access an existing trendline that belongs to a chart series.

Declaration

ITrendline this[int index] { get; }

ReadOnly Default Property Item(index As Integer) As ITrendline

Parameters

Type	Name	Description
int	index	The index of the trendline to return.

Property Value

Type	Description
ITrendline	The ITrendline object at the specified index.

Examples

worksheet.Range["A1:B4"].Value = new object[,] {
    {"Month", "Sales"},
    {"Jan", 10},
    {"Feb", 12},
    {"Mar", 15}
};
IChart chart = worksheet.Shapes.AddChart(ChartType.ColumnClustered, 20, 20, 300, 200).Chart;
chart.SeriesCollection.Add(worksheet.Range["A1:B4"], RowCol.Columns, true, false);
ITrendlines trendlines = chart.SeriesCollection[0].Trendlines;
trendlines.Add();
ITrendline trendline = trendlines[0];