Gio.FileIOStream::query_info_async

function vfunc_query_info_async(attributes: String, io_priority: Number(gint), cancellable: Gio.Cancellable, callback: Gio.AsyncReadyCallback): void {
}

Asynchronously queries the stream for a Gio.FileInfo. When completed, callback will be called with a Gio.AsyncResult which can be used to finish the operation with Gio.FileIOStream.prototype.query_info_finish.

For the synchronous version of this function, see Gio.FileIOStream.prototype.query_info.

Since 2.22

attributes: a file attribute query string.
io_priority: the [I/O priority][gio-GIOScheduler] of the request
cancellable: optional Gio.Cancellable object, null to ignore.
callback: callback to call when the request is satisfied