submenuIcon property

MaterialStateProperty<Widget?>? submenuIcon
final

If provided, the widget replaces the default SubmenuButton arrow icon.

Resolves in the following states:

If this is null, then the value of MenuThemeData.submenuIcon is used. If that is also null, then defaults to a right arrow icon with the size of 24 pixels.

Implementation

final MaterialStateProperty<Widget?>? submenuIcon;