PHFetchResultChangeDetailsMBS.available as boolean

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	Photos	MBS Mac64bit Plugin	20.2	✅ Yes	❌ No	❌ No	✅ Yes	Desktop & iOS

Checks whether class is available.

Should return true on MacOS 10.13 or newer.

PHFetchResultChangeDetailsMBS.changeDetailsFromFetchResult(fromResult as PHFetchResultMBS, toFetchResult as PHFetchResultMBS, changedObjects() as PHObjectMBS) as PHFetchResultChangeDetailsMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	Photos	MBS Mac64bit Plugin	20.2	✅ Yes	❌ No	❌ No	✅ Yes	Desktop & iOS

Creates a change details object that summarizes the differences between two fetch results.

fromResult: A fetch result to be treated as the “before” state in the resulting change details object.
toResult: A fetch result to be treated as the “after” state in the resulting change details object.
changedObjects: An collection of objects to manually note as changed between the two fetch results.

Typically, you use the PHChangeMBS class to retrieve PHFetchResultChangeDetailsMBS objects describing any changes that have occurred since you performed a fetch, but you can also use this method to get a change details object that summarizes the difference between two arbitrary PHFetchResultMBS objects. In this case, Photos cannot automatically determine when the same objects are present in both fetch results but those objects’ content has changed, so the changedIndexes and changedObjects properties are empty.

However, you can use the changedObjects parameter to manually note objects as changed. For example, consider a view controller that maintains a base fetch result representing a list of albums, and a transient collection that filters the list according to the user’s search terms.