showTrackOnHover property
If this property is null, then ScrollbarThemeData.showTrackOnHover of ThemeData.scrollbarTheme is used. If that is also null, the default value is false.
Implementation
final bool? showTrackOnHover;
If this property is null, then ScrollbarThemeData.showTrackOnHover of ThemeData.scrollbarTheme is used. If that is also null, the default value is false.
final bool? showTrackOnHover;