Loads an icon asynchronously. To finish this function, see g_loadable_icon_load_finish(). For the synchronous, blocking version of this function, see g_loadable_icon_load().
an integer.
optional #GCancellable object, %NULL to ignore.
a #GAsyncReadyCallback to call when the request is satisfied
the data to pass to callback function
See Implementation
Loads an icon asynchronously. To finish this function, see g_loadable_icon_load_finish(). For the synchronous, blocking version of this function, see g_loadable_icon_load().