[maemo-developers] GLIB CRITICAL ** Gtk - gtk_tree_model_filter_row_has_child_toggled: assertion `elt->visible' failed

[From: learning maemo]

Hello,

I came across this problem.

 GLIB CRITICAL ** Gtk - gtk_tree_model_filter_row_has_child_toggled: assertion `elt->visible' failed
by using the functions like htis.

  GtkWidget* dialog = hildon_file_chooser_dialog_new(GTK_WINDOW(window), GTK_FILE_CHOOSER_ACTION_OPEN);
  gtk_widget_show_all(GTK_WIDGET(dialog));
  if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_OK) {
    filename =
      gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
  }

How can I resolve this problem?

Thanks!
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