The window number of the window’s window device.
Each window device in an application is given a unique window number—note that this isn’t the same as the global window number assigned by the window server. This number can be used to identify the window device with the
orderWindow:relativeTo: method and in the AppKit function
If the window doesn’t have a window device, the value of this property is equal to or less than
Accessing Window Information
Returns the window’s graphics state object.
Indicates whether the window has a depth limit that allows it to store color values.
A dictionary containing information about the window’s resolution, such as color, depth, and so on.
A Boolean value that indicates the level of access other processes have to the window’s content.
A Boolean value that indicates whether the window device the window manages is freed when it’s removed from the screen list.
A Boolean value that indicates whether the window’s depth limit can change to match the depth of the screen it’s on.