Only the foreground window can capture the mouse.

只有前台窗口可以捕获鼠标。

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An active window is the foreground window in which the user is working.

使用中视窗是使用者在其中作业的前景视窗。

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An active window is the foreground window in which the user is working.

使用中视窗是使用者在其中作业的前景视窗。

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