How to pull a MDI child window out of the main form?

如何把一个MDI子窗口的主要形式？

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You have to subclass all child window controls in your parent window.

你必须在你的父窗口中对所有的子窗口控件分类。

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Specifies the identifier of the control or child window to be retrieved.

指定了要获取的控件或子窗口的标识符。

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An officer broke a window to reach the child.

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Go to her house some night, and maybe you'll see her silhouette against the window as she walks the floor talking softly, soothing a child in her arms--Mother Hale of Harlem, and she, too, is an American hero.

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She came close enough to his open window for him to see that she was actually trembling, her lips groping like those of a child near tears.

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