a #GdkRGBA representing the foreground color of the icon
a #GdkRGBA representing the warning color of the icon or %NULL to use the default color
a #GdkRGBA representing the warning color of the icon or %NULL to use the default color
a #GdkRGBA representing the error color of the icon or %NULL to use the default color (allow-none)
optional #GCancellable 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 a symbolic icon previously looked up from the icon theme using gtk_icon_theme_lookup_icon().
For more details, see gtk_icon_info_load_symbolic() which is the synchronous version of this call.