Signals that a drag should begin.
Original signature is '- (NSUInteger) imageBrowser:(IKImageBrowserView *) aBrowser writeItemsAtIndexes:(NSIndexSet *) itemIndexes toPasteboard:(NSPasteboard *)pasteboard'
Available in Mac OS X v10.5 and later.

C# | Visual Basic | Visual C++ |
NSUInteger ImageBrowserWriteItemsAtIndexesToPasteboard( IKImageBrowserView aBrowser, NSIndexSet itemIndexes, NSPasteboard pasteboard )
Function ImageBrowserWriteItemsAtIndexesToPasteboard ( _ aBrowser As IKImageBrowserView, _ itemIndexes As NSIndexSet, _ pasteboard As NSPasteboard _ ) As NSUInteger
NSUInteger ImageBrowserWriteItemsAtIndexesToPasteboard( IKImageBrowserView^ aBrowser, NSIndexSet^ itemIndexes, NSPasteboard^ pasteboard )

- aBrowser (IKImageBrowserView)
- An image browser view.
- itemIndexes (NSIndexSet)
- The indexes of the items that should be dragged.
- pasteboard (NSPasteboard)
- The pasteboard to copy the items to.

The number of items written to the pasteboard.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)