Asynchronously load, render and scale an icon previously looked up from the icon theme using IconTheme.lookupIcon.
For more details, see IconInfo.loadIcon which is the synchronous version of this call.
optional gio.Cancellable object, NULL to ignore
a GAsyncReadyCallback to call when the request is satisfied
the data to pass to callback function
3.8
Asynchronously load, render and scale an icon previously looked up from the icon theme using IconTheme.lookupIcon.
For more details, see IconInfo.loadIcon which is the synchronous version of this call.