A special kind of window that typically performs a function that is auxiliary to the main window.
SDK
Framework
class NSPanel : NSWindow
For details about how panels work (especially to find out how their behavior differs from window behavior), see How Panels Work.
var isA Boolean value that indicates whether the receiver is a floating panel.
var becomesA Boolean value that indicates whether the receiver becomes the key window only when needed.
var worksA Boolean value that indicates whether the panel receives keyboard and mouse events even when some other window is being run modally.
These constants define values returned by the NSRun function and by the NSApplication method run when the modal session is run with an NSPanel provided by the NSGet function.
Modal Panel Return ValuesThese constants define the possible return values for such methods as the run methods of the NSOpen class, which tell which button (OK or Cancel) the user has clicked on an open panel.
Style MasksConstants that specify panel styles.
class NSWindowA window that an app displays on the screen.
protocol NSWindowA set of optional methods that a delegate of NSWindow can implement to respond to events, such as window resizing, moving, exposing, and minimizing.
class NSWindowA tab associated with a window that is part of a tabbing group.
class NSWindowA group of windows that display together as a single tabbed window.