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

SCIHorizontalLineAnnotation

@interface SCIHorizontalLineAnnotation : SCILineAnnotationWithLabelsBase

Defines a read-only or editable horizontal line annotation, which may be placed on the chart at specific Y1-coordinate

horizontalAlignment
Defines the horizontal alignment which is used for docking this annotation instance.
Declaration
Objective-C

@property (nonatomic) SCIAlignment horizontalAlignment;
Swift

var horizontalAlignment: SCIAlignment { get set }