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

SCIRolloverModifier

@interface SCIRolloverModifier : SCITooltipModifierWithAxisLabelsBase

The SCIRolloverModifier provides a touch-over hit-test to a chart, plus a collection of a SCISeriesInfo objects to bind to which updates as the touch moves. Add to a SCIChartSurface and set ISCIChartModifier.isEnabled to YES to enable this behaviour.

See

SCICursorModifier.

See

SCITooltipModifier.

drawVerticalLine
Sets whether a Vertical Line should be drawn at the rollover location.
Declaration
Objective-C

@property (nonatomic) BOOL drawVerticalLine;
Swift

var drawVerticalLine: Bool { get set }
verticalLineStyle
Gets the SCIPenStyle instance which will be used by SCIVerticalLineDrawableBehavior to draw vertical rollover line.
Declaration
Objective-C

@property (nonatomic, strong) SCIPenStyle *_Nonnull verticalLineStyle;
Swift

var verticalLineStyle: SCIPenStyle { get set }
-init
Creates a new instance of SCIRolloverModifier class.
Declaration
Objective-C

- (nonnull instancetype)init;
Swift

convenience init()


                        
                        
                        -initWithRolloverBehavior:axisTooltipsBehavior:

Creates a new instance of SCIRolloverModifier class.

Declaration

Objective-C

- (nonnull instancetype)
    initWithRolloverBehavior:(nonnull SCIRolloverBehavior *)rolloverBehavior
        axisTooltipsBehavior:
            (nonnull SCIAxisTooltipsBehaviorBase *)axisTooltipsBehavior;

Swift

init(rolloverBehavior: SCIRolloverBehavior, axisTooltipsBehavior: SCIAxisTooltipsBehaviorBase)

Parameters

`rolloverBehavior`	`SCIRolloverBehavior` which will be associated with this modifier.
`axisTooltipsBehavior`	`SCIAxisTooltipsBehavior` which will be associated with this modifier.