Invoked after it has been determined that a drag should begin, but before the drag has been started.
Original signature is '- (BOOL)collectionView:(NSCollectionView *)collectionView writeItemsAtIndexes:(NSIndexSet *)indexes toPasteboard:(NSPasteboard *)pasteboard'
Available in Mac OS X v10.6 and later.
Declaration Syntax| C# | Visual Basic | Visual C++ |
public event NSCollectionView..::..CollectionViewWriteItemsAtIndexesToPasteboardEventHandler CollectionViewWriteItemsAtIndexesToPasteboard
Public Event CollectionViewWriteItemsAtIndexesToPasteboard As NSCollectionView..::..CollectionViewWriteItemsAtIndexesToPasteboardEventHandler
public: event NSCollectionView..::..CollectionViewWriteItemsAtIndexesToPasteboardEventHandler^ CollectionViewWriteItemsAtIndexesToPasteboard { void add (NSCollectionView..::..CollectionViewWriteItemsAtIndexesToPasteboardEventHandler^ value); void remove (NSCollectionView..::..CollectionViewWriteItemsAtIndexesToPasteboardEventHandler^ value); }
Return ValueYES to begin the drag, otherwise NO.
Version Information- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later)