open_directory
Description:
public async bool open_directory (Parent parent, string uri, OpenUriFlags flags, Cancellable? cancellable) throws Error
  
  Opens the directory containing the file specified by the uri.
which must be a file: uri pointing to a file that the application has access to.
Parameters:
| this | 
           a [class@Portal]  | 
      
| parent | 
           parent window information  | 
      
| uri | 
           the URI to open  | 
      
| flags | 
           options for this call  | 
      
| cancellable | 
           optional [class@Gio.Cancellable]  | 
      
| callback | 
           a callback to call when the request is done  | 
      
| data | 
           data to pass to   |