Launches the app at the specified URL.
- macOS 10.6–10.15Deprecated
The application URL.
Options to use when launching the application. See
NSWorkspacefor possible values.
A dictionary containing the configuration options. This dictionary can be used to pass additional options to the app. The configuration dictionary may be empty, in which case default behavior applies.
Returns, by-reference, the error if the application was unable to be launched. You may specify
nilfor this parameter if you do not want the error information.
If the app is already running, and
NSWorkspace is not specified in the
options dictionary, then a reference to the existing app is returned; otherwise a new application reference is returned. If the application could not be launched,
nil is returned and the error is specified in
It is safe to call this method from any thread in your app in macOS 10.6 and later.