onWillShow property

@override Callback? get onWillShow

Optional callback that fires before the AbstractTransitionComponent appears.

Returning false will cancel default behavior, and the AbstractTransitionComponent will not appear.

Implementation

@override
Callback? get onWillShow =>
    (props[_$key__onWillShow__TransitionPropsMixin] ?? null) as Callback?;

@override set onWillShow (Callback? value)

Optional callback that fires before the AbstractTransitionComponent appears.

Returning false will cancel default behavior, and the AbstractTransitionComponent will not appear.

Implementation

@override
set onWillShow(Callback? value) =>
    props[_$key__onWillShow__TransitionPropsMixin] = value;