private void loginBT_Click(object sender, EventArgs e)
        {
            if (usernameTB.Text.Length > 0 && passwordTB.Text.Length > 0) // Έλεγχος
            {

                var userid = DB.DbQueries.AuthenticateAuthor(usernameTB.Text, passwordTB.Text);

                if (userid > 0)
                {
                    ActiveAuthor.SetCurrentAuthor(userid); // Θέτουμε τον ActiveAuthor
                    var mm = new MainMenu { Tag = this }; // Ανοίγουμε το Main Menu
                    mm.Show(this);
                    Hide();
                }
                else if (userid == 0)
                {
                    MessageBox.Show("Invalid Username/Password!",
                       "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }

            }
            else
            {
                MessageBox.Show("You need to enter Username and Password!",
                    "Warning!", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
        }

    public MyForm()
    {
        // Set the form's title
        Text = "Image Viewer";

        // Set the form's size
        ClientSize = new Size (640, 480);

        // Create a menu
        MainMenu menu = new MainMenu ();
        MenuItem item = menu.MenuItems.Add ("&Options");
        item.Popup += new EventHandler (OnPopupOptionsMenu);
        item.MenuItems.Add (new MenuItem ("&Open...",
            new EventHandler (OnOpenImage), Shortcut.CtrlO));
        item.MenuItems.Add ("-");
        item.MenuItems.Add (_itemFitToWindow =
            new MenuItem ("Size Image to &Fit Window",
            new EventHandler (OnFitToWindow))
        );
        item.MenuItems.Add (_itemNativeSize =
            new MenuItem ("Show Image in &Native Size",
            new EventHandler (OnNativeSize))
        );
        item.MenuItems.Add ("-");
        item.MenuItems.Add (new MenuItem ("E&xit",
            new EventHandler (OnExit)));

        // Attach the menu to the form
        Menu = menu;
    }

 static void Main()
 {
     Application.EnableVisualStyles();
     Application.SetCompatibleTextRenderingDefault(false);
     LudusLatrunculorum = new MainMenu();
     Application.Run(LudusLatrunculorum);
 }

    // Use this for initialization
    void Start()
    {

        mainMenu = (MainMenu)(GameObject.Find("Main Menu").GetComponent("MainMenu"));
        CelebTextures = mainMenu.CelebTextures;
        if (GameStateManager.CelebFriend != -1 ) 
            FriendTexture = CelebTextures[GameStateManager.CelebFriend];
        else if (GameStateManager.FriendTexture != null) FriendTexture = GameStateManager.FriendTexture;

        float diceRoll = Random.value;
        if (diceRoll <= FriendThreshold)
        {
            gameObject.tag = "Friend";
            renderer.material.mainTexture = FriendTexture;
        }
        else
        {
            gameObject.tag = "Enemy";
            int numValidCelebs =  GameStateManager.CelebFriend == -1 ? CelebTextures.Length - 1 : CelebTextures.Length - 2;
            int which = Random.Range(0,numValidCelebs);
            if (GameStateManager.CelebFriend == which)
                which = CelebTextures.Length - 1;
            EnemyTexture = CelebTextures[which];
            renderer.material.mainTexture = EnemyTexture;
        }
    }

	public MainForm ()
	{
		// 
		// _mainMenu
		// 
		_mainMenu = new MainMenu ();
		// 
		// _fileMenu
		// 
		_fileMenu = new MenuItem ("&File");
		_fileMenu.MenuItems.Add (new MenuItem ("New"));
		_fileMenu.MenuItems.Add (new MenuItem ("Open"));
		_fileMenu.MenuItems.Add (new MenuItem ("Save"));
		_mainMenu.MenuItems.Add (_fileMenu);
		// 
		// _editMenu
		// 
		_editMenu = new MenuItem ("&Edit");
		_editMenu.MenuItems.Add (new MenuItem ("Copy"));
		_editMenu.MenuItems.Add (new MenuItem ("Cut"));
		_editMenu.MenuItems.Add (new MenuItem ("Paste"));
		_mainMenu.MenuItems.Add (_editMenu);
		// 
		// MainForm
		// 
		ClientSize = new Size (300, 50);
		Location = new Point (250, 100);
		Menu = _mainMenu;
		StartPosition = FormStartPosition.Manual;
		Text = "bug #333668";
		Load += new EventHandler (MainForm_Load);
	}

 private void btnLogin_Click(object sender, EventArgs e)
 {
     if (UsuarioBox.Text == null | PassBox.Text == null)
     {
         MessageBox.Show("Por favor llene ambos campos");
     }
     else
     {
         string user;
         string pass;
         user = UsuarioBox.Text;
         pass = PassBox.Text;
         if (ConfirmarLogin(user, pass))
         {
             MainMenu mm = new MainMenu();
             mm.ShowDialog();
             this.Hide();
         }
         else
         {
             MessageBox.Show("Credenciales inválidos");
             UsuarioBox.Focus();
         }
     }
 }

        public StartPage()
        {
            try
            {
                InitializeComponent();
                _dbConnectionString  = ConfigurationSettings.AppSettings["DBConStr"];

                DataAccess.conStr = _dbConnectionString;

                MainMenu _mainMenu = new MainMenu(_dbConnectionString);
                _mainFrame.Navigate(_mainMenu);
                dataAccess = new DataAccess();
                lines = dataAccess.getLines();
                lineQ = new Queue<int>();

                foreach (line l in lines)
                    lineQ.Enqueue(l.ID);

                reference = new Reference();

                andonManager = new AndonManager(AndonManager.MODE.SLAVE);                        
                
                andonManager.andonAlertEvent += new EventHandler<AndonAlertEventArgs>(andonManager_andonAlertEvent);

                andonManager.start();

            }

            catch( Exception e)
            {
                tbMsg.Text+= e.Message;
            }
        }

    public void Create()
    {
        //menuObjects.Add(CreateObject("SpaceSceneMenu", "Menu/SpaceSceneMenu"));
        GameObject root = new GameObject ();
        GameObject cam = CreateObject ("MenuCamera", "Menu/MenuCamera");

        GameObject newObj;
        menuCam = cam;
        root.transform.position = cam.transform.position;
        root.transform.rotation = cam.transform.rotation;

        cam.transform.parent = root.transform;
        root.name = "MenuRoot";
        menuObjects.Add(root);
        menuObjects.Add(cam);

        newObj = CreateObject ("NewGame", "Menu/NewGame"); newObj.transform.parent = root.transform;
        menuObjects.Add(newObj);
        newObj = CreateObject ("Continue", "Menu/Continue"); newObj.transform.parent = root.transform;
        menuObjects.Add(newObj);
        newObj = CreateObject ("SaveQuit", "Menu/SaveQuit"); newObj.transform.parent = root.transform;
        menuObjects.Add(newObj);
        newObj = CreateObject ("SpaceSceneMenu", "Menu/SpaceSceneMenu"); newObj.transform.parent = root.transform;
        menuObjects.Add(newObj);

        //Set up the menu instance
        newObj = CreateObject ("SRLName", "Menu/SRLName"); newObj.transform.parent = root.transform;
        menuObjects.Add(newObj);
        menuSystem = newObj.GetComponent<MainMenu>();

        isShown = true;
    }

    public MenuDialog()
    {
        Size = new Size(500,200);

        text.Size = new Size(490,190);
        text.Multiline = true;
        text.ScrollBars = ScrollBars.Both;
        text.WordWrap = false;
        text.Location = new Point(5,5);

        MenuItem fileMenu = new MenuItem("File");
        MenuItem open = new MenuItem("Open");
        open.Shortcut = Shortcut.CtrlO;
        MenuItem save = new MenuItem("Save");
        save.Shortcut = Shortcut.CtrlS;
        fileMenu.MenuItems.Add(open);
        fileMenu.MenuItems.Add(save);

        MenuItem formatMenu = new MenuItem("Format");
        MenuItem font = new MenuItem("Font");
        font.Shortcut = Shortcut.CtrlF;
        formatMenu.MenuItems.Add(font);

        MainMenu bar = new MainMenu();
        Menu = bar;
        bar.MenuItems.Add(fileMenu);
        bar.MenuItems.Add(formatMenu);

        Controls.Add(text);

        open.Click += new EventHandler(Open_Click);
        save.Click += new EventHandler(Save_Click);
        font.Click += new EventHandler(Font_Click);
    }

 static void Main()
 {
     Application.EnableVisualStyles();
     Application.SetCompatibleTextRenderingDefault(false);
     mainForm = new MainMenu();
     Application.Run(mainForm);
 }

 private void RulesBackButton_Click(object sender, EventArgs e)
 {
     this.Hide();
     var myForm = new MainMenu();
     myForm.Closed += (send, args) => this.Close();
     myForm.Show();
 }

        public static void Open(Pinball Pinball, Form Owner=null)
        {


            foreach (Form F in Application.OpenForms)
            {
                if (F.GetType() == typeof(MainMenu))
                {
                    F.BringToFront();
                    F.Focus();
                    return;
                }
            }

            MainMenu M = new MainMenu(Pinball);

            if (Owner == null)
            {
                M.Show();
            }
            else
            {
                M.StartPosition = FormStartPosition.CenterParent;
                M.Show(Owner);
            }
        }

        private void MainForm_Load(object sender, EventArgs e)
        {
            // 
            // appMenu
            // 
            UserControl_MainMenu = new MainMenu(this);
            /*
            this.appMenu = UserControl_MainMenu;
            this.appMenu.Location = new System.Drawing.Point(0, 0);
            this.appMenu.Name = "appMenu";
            this.appMenu.Size = new System.Drawing.Size(640, 23);
            this.appMenu.TabIndex = 0;
            this.Controls.Add(this.appMenu);
            */

            this.appMenu = UserControl_MainMenu;
            UserControl_MainMenu.Location = new System.Drawing.Point(0, 0);
            UserControl_MainMenu.Name = "UserControl_MainMenu";
            UserControl_MainMenu.Size = new System.Drawing.Size(640, 23);
            this.Controls.Add(UserControl_MainMenu);

            this.CenterToScreen();
            this.FormBorderStyle = FormBorderStyle.FixedDialog;
            this.MaximizeBox = false;
            this.MinimizeBox = false;            
            
       }

 private void debugLogin_Click(object sender, EventArgs e)
 {
     MainMenu mainPage = new MainMenu();
     mainPage.loginPage = this;
     mainPage.Show();
     Hide();
 }

 private void LoginButton_Click(object sender, EventArgs e)
 {
     try
     {
         var username = this.UsernameField.Text;
         var password = this.PasswordField.Text;
         Program.infoController.LoginPlayer(username, password);
         this.Hide();
         var mainPage = new MainMenu();
         mainPage.ShowDialog();
     }
     catch (FaultException<InvalidUsernameFault>)
     {
         MessageBox.Show("Invalid username.");
     }
     catch (FaultException<InvalidPasswordFault>)
     {
         MessageBox.Show("Invalid password.");
     }
     catch (CommunicationException)
     {
         MessageBox.Show("Unable to connect to server!\nPlease try again Later.");
     }
     catch (Exception ex)
     {
         MessageBox.Show("Unforseen error!, " + ex.Message);
     }
 }

    public MForm2()
    {
        Text = "Check menu item";

        sb = new StatusBar();
        sb.Parent = this;
        sb.Text = "Ready";

        MainMenu mainMenu = new MainMenu();

        MenuItem file = mainMenu.MenuItems.Add("&File");
        file.MenuItems.Add(new MenuItem("E&xit",
            new EventHandler(OnExit), Shortcut.CtrlX));

        MenuItem view = mainMenu.MenuItems.Add("&View");
        viewStatusBar = new MenuItem("View StatusBar");
        viewStatusBar.Checked = true;
        viewStatusBar.Click += new EventHandler(ToggleStatusBar);
        view.MenuItems.Add(viewStatusBar);

        Menu = mainMenu;
        Size = new Size(250, 200);

        CenterToScreen();
    }

        public Game(int width, int height)
            : base(width, height, GraphicsMode.Default, windowName, GameWindowFlags.Default, DisplayDevice.Default, 2, 1, GraphicsContextFlags.Default)
        {
            renderer = RendererFactory.Instance.CreateRenderer();
            Keyboard.KeyRepeat = false;
            GL.Enable(EnableCap.Texture2D);
            GL.Enable(EnableCap.Blend);
            GL.BlendFunc(BlendingFactorSrc.One, BlendingFactorDest.OneMinusSrcAlpha);

            m = new MainMenu(windowWidth, windowHeight);
            Keyboard.KeyDown += OnMenuControl;

            mapTextureList = new[]
                {
                    new Texture(new Bitmap(GraphicsLib.Properties.Resources.empty)),
                    new Texture(new Bitmap(GraphicsLib.Properties.Resources.brick)),
                    new Texture(new Bitmap(GraphicsLib.Properties.Resources.concrete)),
                    new Texture(new Bitmap(GraphicsLib.Properties.Resources.water)),
                    new Texture(new Bitmap(GraphicsLib.Properties.Resources.forest)),
                    new Texture(new Bitmap(GraphicsLib.Properties.Resources._base))
                };

            tankTextureList = new[]
                {
                    new Texture(new Bitmap(GraphicsLib.Properties.Resources.tankPlayerNormal))
                };

            WindowBorder = WindowBorder.Fixed;
            windowWidth = width;
            windowHeight = height;
            gameRenderer = new GameRenderer(windowWidth, windowHeight, mapTextureList, tankTextureList);
        }

 private void button1_Click(object sender, EventArgs e)
 {
     SqlConnection con = new SqlConnection("Data Source=DESKTOP-PDO5AM4\\SQLExpress;Initial Catalog=SoundSystem;Integrated Security=True");
     con.Open();
     SqlCommand cmd = new SqlCommand("Data_Entry", con);
     cmd.CommandType = CommandType.StoredProcedure;
     SqlParameter email = new SqlParameter("@mail", textBox1.Text);
     cmd.Parameters.Add(email);
     SqlParameter pass = new SqlParameter("@pass", textBox2.Text);
     cmd.Parameters.Add(pass);
     SqlDataReader reader = cmd.ExecuteReader();
     if (reader.Read())
     {
         string name = (string)reader[0];
         Globals.email = textBox1.Text;
         MessageBox.Show("Welcome " + name);
         this.Hide();
         MainMenu main = new MainMenu(name,textBox1.Text);
         main.ShowDialog();
         this.Close();
     }
     else
         MessageBox.Show("Invalid email or password!");
     reader.Close();
     con.Close();
 }

 public static void Main(string[] args)
 {
     Application.EnableVisualStyles();
     Application.SetCompatibleTextRenderingDefault(false);
     home = new MainMenu(args);
     Application.Run(home);
 }

 public override void ManagerSetup()
 {
     _mnuMain = gobMenuManager.GetComponent<MainMenu>() as MainMenu;
     _mnuMain.RegisterManager(this);
     _txtPlay = gobPlayButton.transform.GetChild(0).gameObject.GetComponent<Text>();
     AdditionalSetup();
 }