THtmlHotTrack.RowHeadingStyle Property
Style to apply to the heading rows when the mouse is over a cell. You can use any css style here. Set it to empty if you don't want to highlight the headings.
Note that this style only applies for left-to-right sheets. To modify the style for right-to-left sheets, use RowHeadingStyleRTL.
Syntax
Unit: FlexCel.Render
property THtmlHotTrack.RowHeadingStyle: string