
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
.
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Undocumented
Declaration
Objective-C
NSMutableArray<T> *_newItems
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Undocumented
Declaration
Objective-C
NSMutableArray<T> *_oldItems
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Gets the list of new items involved in the change.
Declaration
Objective-C
@property (nonatomic, strong, readonly) NSArray<T> *_Nonnull newItems;
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Gets the old items which were removed or replaced in this change.
Declaration
Objective-C
@property (nonatomic, strong, readonly) NSArray<T> *_Nonnull oldItems;
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Gets the index at which the change occurred.
Declaration
Objective-C
@property (nonatomic) NSInteger newIndex;
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Gets the index at which the change occurred.
Declaration
Objective-C
@property (nonatomic) NSInteger oldIndex;
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Gets the action that caused the event.
Declaration
Objective-C
@property (nonatomic) SCICollectionChangedAction action;