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

SCIDefaultSeriesValueMarkerAnnotationHelper

@interface SCIDefaultSeriesValueMarkerAnnotationHelper<
    TAnnotation : SCIAnnotationBase *> : NSObject

Defines default series value marker annotation helper implementation.




renderableSeries

The ISCIRenderableSeries instance used by this helper to display latest series value.

Declaration

Objective-C

@property (nonatomic, strong, readonly) id<ISCIRenderableSeries> _Nonnull renderableSeries;

Swift

var renderableSeries: ISCIRenderableSeries { get }




-initWithRenderableSeries:predicate:

Creates new instance of SCIDefaultSeriesValueMarkerAnnotationHelper.

Declaration

Objective-C

- (nonnull instancetype)
    initWithRenderableSeries:(nonnull id<ISCIRenderableSeries>)renderableSeries
                   predicate:
                       (nonnull SCIPredicate)isValidRenderableSeriesPredicate;

Swift

init(renderableSeries: ISCIRenderableSeries, predicate isValidRenderableSeriesPredicate: @escaping SCIPredicate)

Parameters

`renderableSeries`	The target renderable series.
`isValidRenderableSeriesPredicate`	The predicate whether Renderable Series is valid for `SCISeriesValueMarkerAnnotation`.

-tryUpdateAnnotation:
Try to update specified annotation using information from ISCIRenderableSeries.
Declaration
Objective-C

- (void)tryUpdateAnnotation:(nonnull TAnnotation)annotation;
Swift

func tryUpdateAnnotation(_ annotation: TAnnotation)
Parameters

annotation

The annotation to update.