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

ISCIDoubleValuesProvider

@protocol ISCIDoubleValuesProvider <NSObject>

Defines a collection which can represented as sequence of double values.

count
Returns the number of elements in this provider.
Declaration
Objective-C

@property (nonatomic, readonly) NSInteger count;


                        
                        
                        -getDoubleValueAt:

Gets the double representation of item at specified index

Declaration

Objective-C

- (double)getDoubleValueAt:(NSInteger)index;

Parameters


                                    index

The index to get item at


                        
                        
                        -getDoubleValues:indices:

Gets the items of list at specified indices and sets them as double values.

Declaration

Objective-C

- (void)getDoubleValues:(nonnull SCIDoubleValues *)doubleValues
                indices:(nonnull SCIIntegerValues *)indices;

Parameters

`doubleValues`	The target collection to add item to.
`indices`	The collection of indices to get items at.


                        
                        
                        -getDoubleValues:startIndex:count:

Gets the items of list at specified start index and sets them as double values.

Declaration

Objective-C

- (void)getDoubleValues:(nonnull SCIDoubleValues *)doubleValues
             startIndex:(NSInteger)startIndex
                  count:(NSInteger)count;

Parameters

`doubleValues`	The target collection to add item to.
`startIndex`	The index to start at.
`count`	The amount of items to be retrieved.


                        
                        
                        -findIndexOfDoubleValue:searchMode:isSorted:

Finds value by its double representation with specified search mode in this list.

Declaration

Objective-C

- (NSInteger)findIndexOfDoubleValue:(double)doubleValue
                         searchMode:(SCISearchMode)searchMode
                           isSorted:(BOOL)isSorted;

Parameters

`doubleValue`	The double representation of value to find
`searchMode`	The search mode.

Return Value

The index of item in list.