With This .Column4.AddObject("spnQuantity", "Spinner") .Column4.CurrentControl = "spnQuantity" .Column4.spnQuantity.Visible = .T. .Column4.spnQuantity.BorderStyle = 0 .Column4.spnQuantity.SpecialEffect = 1 .Column4.spnQuantity.Margin = 0 .Column4.spnQuantity.SpinnerLowValue = 0 EndWithNow I need to change status of some buttons on form. How to refer to spinner's InteractiveChange event?