To hide the title bar on the frame, you need to set the undecorated property of the specific frame to true.

要隐藏Frame上的Title bar，需要将指定Frame的undecorated属性设为true。

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While Sun added the ability to programmatically iconify the frame in version 1.2, you still couldn't hide the title bar or maximize a frame.

虽然 Sun 在版本 1.2 中添加了通过编程将 Frame 图标化的功能，您仍然无法隐藏 Title bar 或将 Frame 最大化。

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Benitez has yet to mount a serious title challenge in three years at Anfield and Mourinho said he could no longer hide behind the excuse of not having big money to spend.

过去三年里贝尼特斯在安菲尔德形成了一个巨大的联赛夺冠的挑战，穆里尼奥说他再也无法躲在没钱花的借口后面了。

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Yet, she can hide behind the Harvard Medical School teaching title that she maintains.

FORBES: Marcia Angell's Attacks on Pharma Have Lost all Credibility

Herbie Hide held the World Boxing Organisation version of the heavyweight title twice, including a two-year reign from 1997 to 1999.

BBC: Boxer Herbie Hide denies fight-rigging claims