如果您熟悉使用图形用户界面进行应用程序开发的过程，您就能够想象出它是如何工作的：就如同鼠标上的按键被按下和释放一样。

If you're familiar with developing applications using a graphical user interface, you can imagine how it works: it's similar to mouse buttons that are pressed and released.

youdao

如果您熟悉使用图形用户界面进行应用程序开发的过程，您就能够想象出它是如何工作的：就如同鼠标上的按键被按下和释放一样。

If you're familiar with developing applications using a graphical user interface, you can imagine how it works: it's similar to mouse buttons that are pressed and released.

youdao