Passing %FALSE for @success may trigger a drag cancellation
animation.
This function is called by the drag source, and should be the
last call before dropping the reference to the @drag.
The GdkDrag will only take the first [method@Gdk.Drag.drop_done]
call as effective, if this function is called multiple times,
all subsequent calls will be ignored.
Informs GDK that the drop ended.
Passing %FALSE for @success may trigger a drag cancellation animation.
This function is called by the drag source, and should be the last call before dropping the reference to the @drag.
The GdkDrag will only take the first [method@Gdk.Drag.drop_done] call as effective, if this function is called multiple times, all subsequent calls will be ignored.