MonobjcMonobjc Documented Class Library
CollectionViewValidateDropProposedIndexDropOperation Event

Invoked to determine a valid drop target.

Original signature is '- (NSDragOperation)collectionView:(NSCollectionView *)collectionView validateDrop:(id < NSDraggingInfo >)draggingInfo proposedIndex:(NSInteger *)proposedDropIndex dropOperation:(NSCollectionViewDropOperation *)proposedDropOperation'

Available in Mac OS X v10.6 and later.

Declaration Syntax
Return Value
A value that indicates which dragging operation the data source will perform. It must return something other than NSDragOperationNone to accept the drop
Version Information
  • Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later)

Assembly: Monobjc.AppKit (Module: Monobjc.AppKit)