The Trendline type exposes the following members.
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 scatter and non-scatter charts, the value shall be any nonnegative value. Read/write Double.
Returns the parent chart. Read-only IChart.
Specifies that the equation for the trendline is displayed on the chart (in the same label as the Rsquaredvalue). Read/write Boolean.
Specifies that the R-squared value of the trendline is displayed on the chart (in the same label as the equation). Read/write Boolean.
Represents the format of the trend line. Read/write IFormat.
Specifies the number of categories (or units on a scatter chart) that the trendline extends after the data for the series that is being trended. On scatter and non-scatter charts, the value shall be any non-negative value. Read/write Double.
Specifies the value where the trendline shall cross the y axis. This property shall be supported only when the trendline type is exp, linear, or poly. Read/write Double.
Specifies the order of the polynomial trend line. It is ignored for other trend line types. Value must be between 2 and 6. Read/write Byte.
Specifies the period of the trend line for a moving average trend line. It is ignored for other trend line variants. Value must be between 2 and 255. Read/write Byte.
Represents legend entry related with this trendline Read-only ILegendEntryProperties.
Returns text format. Read-only IChartTextFormat.
Can contain a rich formatted text. If this property is not null then this formatted text value overrides auto-generated text of data label. Auto-generated text of data label means text that is managed by ShowSeriesName, ShowValue, ... properties and is formatted with the TextFormatManager.TextFormat property. Read-only ITextFrame.
Gets or sets name of the trendline. Read/write String.
Gets or sets type of trend line. Read/write TrendlineType.