File.queryInfoAsync

void queryInfoAsync(string attributes,  gio.types.FileQueryInfoFlags flags,  int  ioPriority,  gio.cancellable.Cancellable cancellable =  null,  gio.types.AsyncReadyCallback callback =  null)

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 gio.file.File.queryInfo which is the synchronous version of this call.

When the operation is finished, callback will be called. You can then call gio.file.File.queryInfoFinish to get the result of the operation.

Parameters

`attributes`	an attribute query string
`flags`	a set of #GFileQueryInfoFlags
`ioPriority`	the I/O priority of the request
`cancellable`	optional #GCancellable object, null to ignore
`callback`	a #GAsyncReadyCallback to call when the request is satisfied