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

ISCIChartSurfaceChangeListener

@protocol ISCIChartSurfaceChangeListener <ISCIRenderableSeriesChangeListener,
                                          ISCIAxesChangeListener,
                                          ISCIChartResizeListener>

Defines the protocol with methods which are used for notification about changes in SCIChartSurface instance.


                        
                        
                        -onRenderSurfaceRendered:

Called when parent ISCIChartSurface.renderSurface rendered.

Declaration

Objective-C

- (void)onRenderSurfaceRendered:(SCIRenderedMessage *)renderedMessage;

Swift

func onRenderSurfaceRendered(_ renderedMessage: SCIRenderedMessage!)

Parameters


                                    renderedMessage

The rendered message.

-onAnnotationsDrasticallyChanged
Called when parent ISCIChartSurface.annotations collection drastically changed.
Declaration
Objective-C

- (void)onAnnotationsDrasticallyChanged;
Swift

func onAnnotationsDrasticallyChanged()


                        
                        
                        -onAnnotationsCollectionChanged:

Called when parent ISCIChartSurface.annotations collection changes.

Declaration

Objective-C

- (void)onAnnotationsCollectionChanged:
    (SCICollectionChangedEventArgs<id<ISCIAnnotation>> *)args;

Swift

func onAnnotationsCollectionChanged(_ args: SCICollectionChangedEventArgs<any ISCIAnnotation>!)

Parameters


                                    args

The collection changed event args.