TTMSFNCChartPoint Class
Represents a single data point in a chart series, holding all value fields and optional per-point appearance overrides.
API unit family: TMSFNCChart
Inherits from: TCollectionItem
Syntax
TTMSFNCChartPoint = class(TCollectionItem)
Properties
| Name | Description |
|---|---|
| Annotations | Collection of annotations attached to this point. |
| Color | Override fill color for this point; gcNull inherits the series color. |
| ColorTo | Gradient end color for the point fill; gcNull disables the gradient override. |
| DataInteger | Arbitrary integer value for associating application data with this point. |
| DataObject | Arbitrary object reference for associating application data with this point. |
| DataString | Arbitrary string value for associating application data with this point. |
| Explode | Explode offset for pie slices in pixels; 0 keeps the slice in its default position. |
| LegendText | Text shown in the chart legend for this individual point; used by pie and spider charts. |
| Tag | User-defined integer tag for identifying the point in event handlers. |
| Undefined | When True, the point is treated as missing and no marker, bar, or connecting line is drawn. |
| XValue | Numeric x-coordinate for XY chart types; category index for statistical mode. |
| XValueText | Text label displayed on the x-axis for this point instead of the numeric value. |
| YValue | Primary Y value used by most chart types. |
| YValueClose | Closing value for OHLC and candlestick series. |
| YValueHigh | High value for OHLC, candlestick, and box plot series; maps to the same field as YValue. |
| YValueLow | Low value for OHLC, candlestick, and box plot series. |
| YValueMedian | Median value for box plot series. |
| YValueOpen | Opening value for OHLC and candlestick series. |
| YValueSecond | Second Y value used as the lower boundary for band chart types. |
| YValueVariable | Variable value controlling the radius in ctVariableRadiusPie charts. |
Methods
| Name | Description |
|---|---|
| Chart | Returns the owning TTMSFNCChart instance. Returns the owning chart instance. |
| GetValue | Returns a TTMSFNCChartPointVirtual snapshot of the point's current field values. |
| Serie | Returns the TTMSFNCChartSerie that contains this point. Returns the series associated with this settings object. |