the GAsyncResult passed to your GAsyncReadyCallback
the number of bytes of disk space used. [allow-none]out
the number of directories encountered. [allow-none]out
the number of non-directories encountered. [allow-none]out
TRUE if successful, with the out parameters set. FALSE otherwise, with error set.
GException on failure.
Collects the results from an earlier call to g_file_measure_disk_usage_async(). See g_file_measure_disk_usage() for more information. Since 2.38