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

SCIElliotWaveAnnotationBase

@interface SCIElliotWaveAnnotationBase : SCITradingAnnotationBase

Abstract base class for Elliot Wave drawing-tool annotations. Manages a chain of SCILineAnnotations whose endpoints are driven by user-placed base points. ElliotWaveAnnotationBase.


                        
                        
                        textStyle

Font style applied to all SCITextAnnotation children.

Declaration

Objective-C

@property (nonatomic, strong, nullable) SCIFontStyle *textStyle;

Swift

var textStyle: SCIFontStyle? { get set }


                        
                        
                        -setBasePointWithX:y:

Updates the stored base point at index and triggers a visual refresh. Subclasses should call [super updateBasePointAtIndex:x:y:] before their own logic.

Declaration

Objective-C

- (void)setBasePointWithX:(nonnull id<ISCIComparable>)x
                        y:(nonnull id<ISCIComparable>)y;

Swift

func setBasePointWithX(_ x: any ISCIComparable, y: any ISCIComparable)


                        
                        
                        -setBasePointWithX:y:index:

Sets the base point at the specified index on the line-segment chain. Updates the start/end of the adjacent SCILineAnnotations accordingly. protected setBasePoint(x, y, index).

Declaration

Objective-C

- (void)setBasePointWithX:(nonnull id<ISCIComparable>)xDataValue
                        y:(nonnull id<ISCIComparable>)yDataValue
                    index:(NSInteger)index;

Swift

func setBasePointWithX(_ xDataValue: any ISCIComparable, y yDataValue: any ISCIComparable, index: Int)