public static void Open(Control parent, WordChoice wordChoice, EventHandler <WordChoosenEventArgs> wordChoosen)
        {
            // disable the page control
            foreach (Control control in parent.Controls)
            {
                if (control is Page)
                {
                    control.Enabled = false;
                }
            }

            var msg = new MessageWordChoice();

            msg.btnFirstWord.Text  = wordChoice.Words[0];
            msg.btnSecondWord.Text = wordChoice.Words[1];
            msg.btnThirdWord.Text  = wordChoice.Words[2];
            msg.WordChoosen       += wordChoosen;
            parent.SizeChanged    += msg.OnSizeChanged;
            parent.Controls.Add(msg);
            msg.Disposed += (s, e) => Msg_Disposed(parent, EventArgs.Empty);
            msg.OnSizeChanged(parent, EventArgs.Empty);
            msg.Show();
            msg.BringToFront();
        }