Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
我想在设计时知道什么组件被聚焦（这意味着，被点击并被八个蓝色小气球勾勒出来）。我很感激任何帮助。谢谢！