public MainPage()
 {
     InitializeComponent();
     main                 = new GamePage(this);
     main.TopLevel        = false;
     main.FormBorderStyle = FormBorderStyle.None;
     panel1.Controls.Add(main);
     startPage1                 = new startPage(this);
     startPage1.TopLevel        = false;
     startPage1.FormBorderStyle = FormBorderStyle.None;
     panel1.Controls.Add(startPage1);
     panel1.Visible = true;
     startPage1.Show();
 }