This allows the SendKeys command (used later) to send synthetic X window events to the currently in focus window.

这将允许SendKeys命令(稍后使用)把synthetic X Window事件发送给当前持有焦点的窗口。

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Keep in mind that the SendKeys command will send the appropriate commands (Alt+Left, Ctrl+/-, etc.) to the currently focused application, regardless of the functionality this triggers.

请记住，SendKeys 命令将把相应的命令（Alt+Left、Ctrl+- 等）发送到当前持有焦点的应用程序中，而不管这将触发什么功能。

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