iconColor property Null safety
final
The icon color of tile's expansion arrow icon when the sublist is expanded.
Used to override to the ListTileThemeData.iconColor.
If this property is null then ExpansionTileThemeData.iconColor is used. If that is also null then the value of ListTileThemeData.iconColor is used.
See also:
- ExpansionTileTheme.of, which returns the nearest ExpansionTileTheme's ExpansionTileThemeData.
Implementation
final Color? iconColor;