What does it mean the button is _armed_?

What does it mean the button is armed开发者_如何学C?

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It is similar to the pressed state. The difference is that armed means that the mouse remains pressed within the bounds of the button. See this reference for more details.

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The button is pressed (but not released)! See this link.

Pressed means either by mouse button (pointer still within button regions) or by space button on keyboard.

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The JButton state of being hold state with mousepressed event is called armed state