Overlay SAP SE Overlay Control sap.ui.core/Control Defines whether the 'Open' button shall be visible. Defines whether the 'Close' button shall be visible. Event is fired when the Overlay starts closing. The ID of the Overlay instance. Event is fired when the Overlay is closed. The ID of the Overlay instance. Event is fired when the 'Open' button of the Overlay is clicked. The ID of the Overlay instance. Event is fired when the Overlay is opened. The ID of the Overlay instance Opens the Overlay. ID of the control that gets focused when the overlay is openend Closes the Overlay. Checks whether Overlay is open.