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# NSWindow.Level

The standard window levels in macOS.

```
struct Level
```

## Discussion

The stacking of levels takes precedence over the stacking of windows within each level. That is, even the bottom window in a level will obscure the top window of the next level down. Levels are listed in order from lowest to highest. These constants are mapped (using `#define` statements) to corresponding elements in <doc://com.apple.documentation/documentation/CoreGraphics/CGWindowLevelKey>.

## Topics

### Constants

[`dock`](/documentation/AppKit/NSWindow/Level-swift.struct/dock)

The level for the dock.

[`floating`](/documentation/AppKit/NSWindow/Level-swift.struct/floating)

Useful for floating palettes.

[`mainMenu`](/documentation/AppKit/NSWindow/Level-swift.struct/mainMenu)

Reserved for the application’s main menu.

[`modalPanel`](/documentation/AppKit/NSWindow/Level-swift.struct/modalPanel)

The level for a modal panel.

[`normal`](/documentation/AppKit/NSWindow/Level-swift.struct/normal)

The default level for `NSWindow` objects.

[`popUpMenu`](/documentation/AppKit/NSWindow/Level-swift.struct/popUpMenu)

The level for a pop-up menu.

[`screenSaver`](/documentation/AppKit/NSWindow/Level-swift.struct/screenSaver)

The level for a screen saver.

[`statusBar`](/documentation/AppKit/NSWindow/Level-swift.struct/statusBar)

The level for a status window.

[`submenu`](/documentation/AppKit/NSWindow/Level-swift.struct/submenu)

Reserved for submenus. Synonymous with `NSTornOffMenuWindowLevel`, which is preferred.

[`tornOffMenu`](/documentation/AppKit/NSWindow/Level-swift.struct/tornOffMenu)

The level for a torn-off menu. Synonymous with `NSSubmenuWindowLevel`.

### Creating a Window Level

[`init(_:)`](/documentation/AppKit/NSWindow/Level-swift.struct/init(_:))

Creates a window level using the given integer value.

[`init(rawValue:)`](/documentation/AppKit/NSWindow/Level-swift.struct/init(rawValue:))

Creates a window level using the given raw value.


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