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

SCIObservableSmartPropertyDouble

@interface SCIObservableSmartPropertyDouble : SCISmartPropertyDouble

Defines a smart property class which can hold double value and provides listener with old and new value.

-initWithListener:
Creates a new instance of SCIObservableSmartPropertyDouble class.
Declaration
Objective-C

- (nonnull instancetype)initWithListener: (nonnull SCIDoublePropertyChangeListener)listener;
Swift

init(listener: @escaping SCIDoublePropertyChangeListener)
Parameters

listener

The listener change listener for this property.




-initWithListener:andDefaultValue:

Creates a new instance of SCIObservableSmartPropertyDouble class.

Declaration

Objective-C

- (nonnull instancetype)initWithListener:
                            (nonnull SCIDoublePropertyChangeListener)listener
                         andDefaultValue:(double)defaultValue;

Swift

init(listener: @escaping SCIDoublePropertyChangeListener, andDefaultValue defaultValue: Double)

Parameters

`listener`	The listener change listener for this property.
`defaultValue`	The default value for property.