Top property (Windows only; Graphical interfaces only) The vertical position of the control-frame and control-frame COM object from the top border of the parent container widget, in pixels. Return type: INTEGER Access: Readable/Writeable Applies to: CONTROL-FRAME widget, COM object Setting this value changes the ROW attribute and Y attribute of the corresponding control-frame widget to an equivalent value. Note: References to COM object properties and methods extend the syntax used for referencing widget attributes and methods. For more information, see the “Accessing COM object properties and methods” section.