Permanently remove the arrows that Expand and Collapse the headings in Copyright 1998-2023 Nielsen Norman Group, All Rights Reserved. What's the difference between a power rail and a signal line? How to show that an expression of a finite type must be one of the finitely many possible values? Lets call these structural icons. Not the answer you're looking for? To ensure that the frameworks CSS for the ui.tree.TreeTable control is loaded before our custom CSS, simply include the sap.ui.table library in the data-sap-ui-libs property of the