# enumerateWindows(options:using:) Executes a block for each of the app’s windows. ``` func enumerateWindows(options: NSApplication.WindowListOptions = [], using block: (NSWindow, UnsafeMutablePointer) -> Void) ``` ## Parameters `options` A constant that indicates window ordering. See [`NSApplication.WindowListOptions`](/documentation/AppKit/NSApplication/WindowListOptions) for possible values. `block` The block to execute for each window. The block takes the following parameters: - window: The window for which to execute the block. - stop: A Boolean value that stops the enumeration early when set to (the default value is ). ## Discussion --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)