Function on_mouse_up 

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

P Mouse button released while the cursor if over the widget, the widget is enabled and cursor capture allows it.

Preview

You can preview this event using on_pre_mouse_up. Otherwise the handler is only called after the widget content has a chance to stop propagation.

Async

You can use async event handlers with this property.