菜单控件

Menu Popup that can be used as a context menu or popup menu
MenuBar Provides a window menu bar
MenuBarItem Presents a drop-down menu within a MenuBar
MenuItem Presents an item within a Menu

Each type of menu control has its own specific target use case. The following sections offer guidelines for choosing the appropriate type of menu control, depending on the use case.

Menu control can be used for context menus; for example, after right-clicking. It can also be used for popup menus; for example, a menu that is shown after clicking a button.

MenuItem is an item in the Menu control. Each item in a menu:

  • 向用户显示文本
  • allows checking/unchecking
  • is highlighted (for example, on keyboard navigation)
  • performs some action on activation

MenuBar control can be used for window menu bars.

MenuBarItem is an item in the MenuBar control. Each item in a menu bar:

  • 向用户显示文本
  • is highlighted (for example, on keyboard navigation)
  • pops up the respective menu on activation