iOS & macOS Charting Documentation - SciChart iOS & macOS Charts SDK v4.x

SCICursorModifier

@interface SCICursorModifier : SCITooltipModifierWithAxisLabelsBase

The SCICursorModifier provides a cross-hairs (cursor) plus tooltip with X, Y data values under the finger as the touch moves. Add to a SCIChartSurface and set ISCIChartModifier.isEnabled to YES to enable this behaviour.