signal callback delegate or function to connect
bool callback(gdk.drag_context.DragContext context, gtk.types.DragResult result, gtk.widget.Widget widget)
context the drag context (optional)
result the result of the drag operation (optional)
widget the instance the signal is connected to (optional)
Returns true if the failed drag operation has been already handled.
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to DragFailed signal.
The ::drag-failed signal is emitted on the drag source when a drag has failed. The signal handler may hook custom code to handle a failed DnD operation based on the type of error, it returns true is the failure has been already handled (not showing the default "drag operation failed" animation), otherwise it returns false.