如果主控视窗最小化，其所有附属视窗也会一并最小化。

If an owner window is minimized, all its owned Windows are minimized as well.

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子视窗的行为不取决于父视窗的行为，这两个视窗可以彼此盖到，或是独自最小化、最大化和还原。

The behavior of the child window is not dependent on the behavior of the parent window; either window can cover the other, or be minimized, maximized, and restored independently of the other.

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