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

SCICollectionChangedEventArgs

@interface SCICollectionChangedEventArgs<T> : NSObject <ISCICleanable> {
  NSMutableArray<T> *_newItems;
  NSMutableArray<T> *_oldItems;
}

Defines a class which contains changes of SCIObservableCollection.

Note

E - is the type of elements in the changed SCIObservableCollection.

_newItems
Undocumented
Declaration
Objective-C

NSMutableArray<T> *_newItems
_oldItems
Undocumented
Declaration
Objective-C

NSMutableArray<T> *_oldItems
newItems
Gets the list of new items involved in the change.
Declaration
Objective-C

@property (nonatomic, strong, readonly) NSArray<T> *_Nonnull newItems;
oldItems
Gets the old items which were removed or replaced in this change.
Declaration
Objective-C

@property (nonatomic, strong, readonly) NSArray<T> *_Nonnull oldItems;
newIndex
Gets the index at which the change occurred.
Declaration
Objective-C

@property (nonatomic) NSInteger newIndex;
oldIndex
Gets the index at which the change occurred.
Declaration
Objective-C

@property (nonatomic) NSInteger oldIndex;
action
Gets the action that caused the event.
Declaration
Objective-C

@property (nonatomic) SCICollectionChangedAction action;