attribute to value.gFileSetAttribute(object, attribute, type, value.p, flags = "G_FILE_QUERY_INFO_NONE", cancellable = NULL, .errwarn = TRUE)objectGFile.attributetypevalue.pflagsGFileQueryInfoFlags.cancellableGCancellable object, NULL to ignore.TRUE if the attribute was set, FALSE otherwise.errorGError, or NULLcancellable is not NULL, then the operation can be cancelled by
triggering the cancellable object from another thread. If the operation
was cancelled, the error G_IO_ERROR_CANCELLED will be returned.