Launches the specified app.
- macOS 10.0–10.15Deprecated
The name of the app to open.
true if the app was successfully launched or was already running; otherwise,
app parameter need not be specified with a full path and, in the case of an app wrapper, may be specified with or without the
.app extension, as described in Use of .app Extension.
It is safe to call this method from any thread in your app in macOS 10.6 and later.