an attribute query string.
a set of GFileQueryInfoFlags.
the I/O priority of the request.
optional GCancellable object, NULL to ignore. [allow-none]
a GAsyncReadyCallback to call when the request is satisfied. [scope async]
the data to pass to callback function. closure
Asynchronously gets the requested information about specified file. The result is a GFileInfo object that contains key-value attributes (such as type or size for the file). For more details, see g_file_query_info() which is the synchronous version of this call. When the operation is finished, callback will be called. You can then call g_file_query_info_finish() to get the result of the operation.