Sets the desktop image for the given screen to the image at the specified URL.
- macOS 10.6+
A file URL to the image. The URL must not be
The screen on which to set the desktop image.
The options dictionary may contain any of the keys in
NSWorkspace, which control how the image is scaled on the screen.
.Desktop Image Option Key
An error object indicating the success or failure of the action. Specify a variable to store the error object. The method sets this variable to
nilon success, or to an
NSErrorobject if a problem occurred.
true if the method set the desktop image; otherwise
false. If the method returns
error parameter provides additional information.
Instead of presenting a user interface for picking the options, choose appropriate defaults and allow the user to adjust them in the System Preference Pane.
You must call this method from your app’s main thread.