The TOverflowType type is used by the TViewport component to specify whether or not horizontal and/or vertical scrollbars should be shown when the application surface size exceeds the browser viewport size.
Element
Description
otAuto
A scrollbar is shown if the application surface exceeds the browser viewport size, otherwise no scrollbar is shown.
otHidden
No scrollbar is shown, even if the application surface exceeds the browser viewport size This is the default value.
otScroll
A scrollbar is always shown, even if the application surface does not exceed the browser viewport size.