JLayeredPane层常数 : 层面板 « Swing « Java 教程

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Java
Java 教程 » Swing » 层面板 
14. 52. 1. JLayeredPane层常数
ConstantDescription
FRAME_CONTENT_LAYERLevel -30,000 for holding the menu bar and content pane; not normally used by developers
DEFAULT_LAYERLevel 0 for the normal component level
PALETTE_LAYERLevel 100 for holding floating toolbars
MODAL_LAYERLevel 200 for holding pop-up dialog boxes, on top of palettes, and below pop-ups
POPUP_LAYERLevel 300 for holding pop-up menus and tooltips
DRAG_LAYERLevel 400 for ensuring that dragged objects remain on top


14. 52. 层面板
14. 52. 1. JLayeredPane层常数
14. 52. 2. 在不同层次执行按钮
14. 52. 3. The JLayeredPane serves as the main component container of a JRootPane.
14. 52. 4. Moves an image of Duke around within a layered pane in response to mouse motion events.Moves an image of Duke around within a layered pane in response to mouse motion events.
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