outlineView(_:draggingSession:endedAt:operation:)

Declaration

@MainActor optional func outlineView(_ outlineView: NSOutlineView, draggingSession session: NSDraggingSession, endedAt screenPoint: NSPoint, operation: NSDragOperation)

Parameters

• outlineView:

  The outline view in which the drag began.

• session:

  The dragging session that ended.

• screenPoint:

  The point onscreen at which the drag ended.

• operation:

  A mask specifying the types of drag operations permitted by the dragging source.

Discussion

You can implement this optional delegate method to know when the dragging source operation ended at a specific location, such as the trash (by checking for an operation of delete).

See Also

Instance Methods

• outlineView(_:acceptDrop:item:childIndex:)
• outlineView(_:child:ofItem:)
• outlineView(_:draggingSession:willBeginAt:forItems:)
• outlineView(_:isItemExpandable:)
• outlineView(_:itemForPersistentObject:)
• outlineView(_:namesOfPromisedFilesDroppedAtDestination:forDraggedItems:)
• outlineView(_:numberOfChildrenOfItem:)
• outlineView(_:objectValueFor:byItem:)
• outlineView(_:pasteboardWriterForItem:)
• outlineView(_:persistentObjectForItem:)
• outlineView(_:setObjectValue:for:byItem:)
• outlineView(_:sortDescriptorsDidChange:)
• outlineView(_:updateDraggingItemsForDrag:)
• outlineView(_:validateDrop:proposedItem:proposedChildIndex:)
• outlineView(_:writeItems:to:)