| Name | Description | |
|---|---|---|
 | Backward | Gets or sets the number of periods (or units on a scatter chart) that the trendline extends backward. |
| Border | Gets an GrapeCity.Spreadsheet.IBorder object that represents the border of the object. |
| DataLabel | Gets an IDataLabel object that represents the data label associated with the trendline. |
| DisplayEquation | Gets or sets a value indicating whether the equation for the trendline is displayed on the chart (in the same data label as the R-squared value). |
| DisplayRSquared | Gets or sets a value indicating whether the R-squared value of the trendline is displayed on the chart (in the same data label as the equation). |
| Format | Gets the IChartFormat object. |
| Forward | Gets or sets the number of periods (or units on a scatter chart) that the trendline extends forward. |
| Index | Gets a value that represents the index number of the object within the collection of similar objects. |
| Intercept | Gets or sets the point where the trendline crosses the value axis. |
| Order | Gets or sets a value that represents the trendline order (an integer greater than 1) when the trendline type is TrendlineType.Polynomial. |
| Period | Gets or sets the period for the moving-average trendline. Can be a value from 2 through 255. |
| Type | Gets or sets a TrendlineType value that represents the trendline type. |
