TIWCGJQGridDragAndDropOptions.OnBeforeDrop Property
This event raises before droping the row to the grid specified in connectWith option. Parameters passed to this event are the event handler, prepared ui object, data which will be inserted into the grid in name value pair, source grid object and target(this) grid object. If the event return object in value name pair this object will be inserted into the target grid.
published property OnBeforeDrop: TIWCGJSonFunc index 02 read GetFuncValue write SetFuncValue stored IsFuncStored;