Add a loading animation (while waiting for content to be retrieved) to the pop-up dialog and update panel controls, such as an hourglass.

向弹出对话框和更新面板控件添加加载动画(在等待检索内容时)，比如沙漏。

youdao

Add animation to the pop-up dialog and update panel controls, such as fading, slide in, and so on.

向弹出对话框和更新面板控件添加动画，比如淡出、滑入等。

youdao

The AnimationManager class controls the timer and sends animate messages out to the first item in its list of Animation objects.

AnimationManager 类控制定时器并向其 Animation 对象列表中的第一项发送动画消息。

youdao