drawMarker
fun <Model : ChartEntryModel> ChartDrawContext.drawMarker(marker: Marker, markerTouchPoint: Point?, chart: Chart<Model>, markerVisibilityChangeListener: MarkerVisibilityChangeListener?, wasMarkerVisible: Boolean, setWasMarkerVisible: (Boolean) -> Unit, lastMarkerEntryModels: List<Marker.EntryModel>, onMarkerEntryModelsChange: (List<Marker.EntryModel>) -> Unit)
Draws the provided marker on top of the chart at the given markerTouchPoint and notifies the markerVisibilityChangeListener about the marker’s visibility changes.