ORKValueStackGraphChartViewDataSource Protocol Reference
| Conforms to | ORKGraphChartViewDataSource |
|---|---|
| Declared in | ORKGraphChartView.h |
An object that adopts the ORKValueStackGraphChartViewDataSource protocol is responsible for
providing data in the form of ORKValueStack values required to populate an ORKBarGraphChartView
object.
– graphChartView:dataPointForPointIndex:plotIndex:
required method
Asks the data source for the value stack to be plotted at the specified point index for the specified plot.
- (ORKValueStack *)graphChartView:(ORKGraphChartView *)graphChartView dataPointForPointIndex:(NSInteger)pointIndex plotIndex:(NSInteger)plotIndexParameters
graphChartView |
The graph chart view that is asking for the value stack. |
|---|---|
pointIndex |
An index number identifying the value stack in the graph chart view. |
plotIndex |
An index number identifying the plot in the graph chart view. This index is 0 in a single-plot graph chart view. |
Return Value
The value stack specified by pointIndex in the plot specified by plotIndex for the
specified graph chart view`.
Declared In
ORKGraphChartView.h