IconInfo.loadSymbolicForContextAsync

void loadSymbolicForContextAsync(gtk.style_context.StyleContext context,  gio.cancellable.Cancellable cancellable =  null,  gio.types.AsyncReadyCallback callback =  null)

Asynchronously load, render and scale a symbolic icon previously looked up from the icon theme using [gtk.icon_theme.IconTheme.lookupIcon].

For more details, see [gtk.icon_info.IconInfo.loadSymbolicForContext] which is the synchronous version of this call.

Parameters

`context`	a #GtkStyleContext
`cancellable`	optional #GCancellable object, null to ignore
`callback`	a #GAsyncReadyCallback to call when the request is satisfied