组件应该“回绕”并将焦点设置到其所包含的第一个制表位。

The component should "wrap around" and set focus to its first contained TAB stop.

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这样，只有当焦点被设置成“无组件（no component）”时才会返回空。

This will return null only when focus has been set to "no component."

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设置跳格顺序和初始焦点

Setting the Tab order and initial focus

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焦点改变或者不正确设置造成的意想不到的行为。

Unexpected behavior caused by changes in focus, or incorrect setting of focus.

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另一种方法是在窗口激活时设置初始焦点。

Another approach would be to set the initial focus upon window activation.

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设置一个view是否能在touch模式下获取焦点。

Boolean that controls whether a view can take focus while in touch mode.

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设置一个view是否能在touch模式下获取焦点。

Boolean that controls whether a view can take focus while in touch mode.

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