| Name | Description | |
|---|---|---|
 | Backward | Specifies the number of categories (or units on a scatter chart) that the trend line extends before the data for the series that is being trended. On no-scatter charts, the value shall be 0 or 0.5. |
| DisplayEquation | Specifies that the equation for the trendline is displayed on the chart. |
| DisplayRSquaredValue | Specifies that the R-squared value of the trendline is displayed on the chart. |
| Foramt | Specifies the formatting for the Trendline |
| Forward | Specifies the number of categories (or units on a scatter chart) that the trend line extends after the data for the series that is being trended. |
| Intercept | Specifies the value where the trendline shall cross the y axis. |
| Name | Specifies the name of the trendline. |
| Order | Gets or sets the order. |
| Period | Specified the period of the trend line for a moving average trend line. |
| TrendLineLabel | Specifies the label for the trendline |
| TrendlineType | Specifies the style of the trendline. |