OptionalcontainerPer-row virtualization height in pixels, or a function that returns a height for a
given row item. The virtualizer renders groups of off-screen rows as empty placeholders
based on this height until they come into view. If this is a function that returns
false for an item, the item is left unvirtualized (always rendered). A height of 0
is not supported and acts like false. *
OptionalmarginVertical buffer margin that makes rows "real" before they enter the viewport, to reduce pop-in and allow a wider range of Ctrl+F searching.
This is only necessary when using virtualization with
DataTableCore(notDataTable). It's the ref of the scrolling container in which theDataTableCoreis placed, which is used as the root element for row virtualization.