系统会通过不绘制窗口来显示隐藏的窗口。

The system displays a hidden window by not drawing it.

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例如，如果将甲窗口拖到乙窗口之上，则乙窗口不会重新绘制。

For example, the window does not repaint if another window is dragged on top.

youdao

例如，如果将甲窗口拖到乙窗口之上，则乙窗口不会重新绘制。

For example, the window does not repaint if another window is dragged on top.

youdao