Although it is difficult to categorize functions as exclusively for an application, a window manager, or a session manager, the functions in this chapter are most often used by window managers and session managers. It is not expected that these functions will be used by most application programs. Xlib provides management functions to:
虽然很难将函数分类为只用于应用程序、窗口管理器或会话管理器，但本章中的函数通常由窗口管理器和会话管理器使用。预计大多数应用程序不会使用这些函数。
Xlib提供以下管理功能：
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9.1 Change the parent of a window
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9.1 改变父类窗口
To change a window's parent to another window on the same screen, use XReparentWindow(). There is no way to move a window between screens.
要将窗口的父窗口更改为同一屏幕上的另一个窗口，请使用XReparentWindow（）。无法在屏幕之间移动窗口