Function on_disabled 

pub fn on_disabled(
    child: impl IntoUiNode,
    handler: Box<dyn FnMut(&()) -> HandlerResult + Send>,
) -> UiNode

Widget normal interactions now disabled.

Note that this event tracks the actual enabled status of the widget, not the visually enabled status, see Interactivity for more details.

See on_enabled_changed for a more general event.

Route

This event property uses a direct route, that is, it cannot be intercepted in parent widgets.