g_file_copy_async

procedure g_file_copy_async(

  source: PGFile;

  destination: PGFile;

  flags: TGFileCopyFlags;

  io_priority: gint;

  cancellable: PGCancellable;

  progress_callback: TGFileProgressCallback;

  progress_callback_data: gpointer;

  callback: TGAsyncReadyCallback;

  user_data: gpointer

);