Loads an icon asynchronously. To finish this function, see gio.loadable_icon.LoadableIcon.loadFinish. For the synchronous, blocking version of this function, see gio.loadable_icon.LoadableIcon.load.
an integer.
optional #GCancellable object, null to ignore.
a #GAsyncReadyCallback to call when the request is satisfied
Loads an icon asynchronously. To finish this function, see gio.loadable_icon.LoadableIcon.loadFinish. For the synchronous, blocking version of this function, see gio.loadable_icon.LoadableIcon.load.