public static void WriteDialogNode(DialogNode dialog)
{
IFormatter formatter = new BinaryFormatter();
Stream stream = new FileStream(sender_psid + "_dialog_content.txt", FileMode.Create, FileAccess.Write, FileShare.None);
formatter.Serialize(stream, dialog);
stream.Close();
}
protected void EndDialog(DialogNode dialog_node)
{
Program.WriteDialogNode(dialog_node); Environment.Exit(0);
}