自動刷新QRCODE，修正開關台元件問題

HttpServer.cs

@@ -27,67 +27,36 @@ namespace DualScreenDemo
         private static readonly ConcurrentDictionary<string, byte[]> _fileCache = new ConcurrentDictionary<string, byte[]>();
         private static readonly SemaphoreSlim _requestThrottle = new SemaphoreSlim(20); // 限制并发请求数
         private static readonly CancellationTokenSource _serverCts = new CancellationTokenSource();
+        private static HttpListener _listener;
+        private static CancellationTokenSource _cts;
+        private static Task _serverTask;
+        private static string _baseDirectory = @"themes\superstar\_www"; // 根據實際情況設定
+        private static SongListManager _songListManager;
+        private static TaskCompletionSource<string> _qrReadyTcs;
         
-
+        public static async Task StartServer(string baseDirectory, int port, SongListManager manager, CancellationToken token)
-        public static async Task StartServer(string baseDirectory, int port, SongListManager manager)
         {
-            songListManager = manager; // 保存传递的SongListManager实例
+            _songListManager = manager;
             string randomFolderName = CreateRandomFolderAndRedirectHTML(baseDirectory);
-            randomFolderPath = randomFolderName; // 初始化全局变量
+            randomFolderPath = randomFolderName;
             
-            // 读取 IP 地址
+            string localAddress = GetLocalIPAddress();
-            string localAddress = GetLocalIPAddress(); // 使用获取的本地 IP
+            string externalAddress = File.Exists(@"\\SVR01\superstarb\txt\ip.txt")
-            string externalAddress = "";
+                ? File.ReadAllText(@"\\SVR01\superstarb\txt\ip.txt").Trim()
+                : "";
 
-            // 讀取外網地址 沒有端口號
+            _listener = new HttpListener();
-            string serverAddressFilePath = @"\\SVR01\superstarb\txt\ip.txt";
+            _listener.Prefixes.Add($"http://{localAddress}:{port}/");
-            if (File.Exists(serverAddressFilePath))
-            {
-                externalAddress = File.ReadAllText(serverAddressFilePath).Trim();
-                Console.WriteLine("External address: " + externalAddress);
-            }
-            else
-            {
-                Console.WriteLine("Warning: External address file not found. Using local address only.");
-            }
-            // 創建一個 HttpListener 來監聽 HTTP 請求
-            HttpListener listener = new HttpListener();
-
-            // 構造本地地址的 URL 前綴（包含協議、地址和端口）
-            string localPrefix = String.Format("http://{0}:{1}/", localAddress, port);
-
-            // 在控制台輸出添加的本地前綴，方便調試
-            Console.WriteLine("Adding local prefix: " + localPrefix);
-
-            // 將本地前綴添加到 HttpListener，使其監聽該 URL
-            listener.Prefixes.Add(localPrefix);
             string hostName = System.Net.Dns.GetHostName();  
             string externalPort = '1' + hostName.Substring(Math.Max(2, hostName.Length - 20));
-
-            // 如果有外网地址，也添加外网地址前缀
             if (!string.IsNullOrEmpty(externalAddress))
             {
-                string[] parts = externalAddress.Split(':');
+                string host = externalAddress.Split(':')[0];
-                string host = parts[0];
+                externalPort = '1' + System.Net.Dns.GetHostName().Substring(Math.Max(2, System.Net.Dns.GetHostName().Length - 20));
-
+                _listener.Prefixes.Add($"http://{host}:{externalPort}/");
-                //int externalPort = parts.Length > 1 ? int.Parse(parts[1]) : port;
-                
-                string externalPrefix = String.Format("http://{0}:{1}/", host, externalPort);
-                Console.WriteLine("Adding external prefix: " + externalPrefix);
-                
-                try
-                {
-                    listener.Prefixes.Add(externalPrefix);
-                }
-                catch (Exception ex)
-                {
-                    Console.WriteLine($"Warning: Could not add external prefix: {ex.Message}");
-                }
             }
-
-            // 生成两个二维码内容
             string localQrContent = String.Format("http://{0}:{1}/{2}/windows.html", localAddress, port, randomFolderName);
-            // string localQrContent = String.Format("http://{0}:{1}/{2}/windows.html", "ss.net.dnsnet.cc", 1102, randomFolderName);
+            
             
             // 修改外网二维码内容生成
             
@@ -95,18 +64,13 @@ namespace DualScreenDemo
                 String.Format("http://{0}:{1}/{2}/windows.html", externalAddress, externalPort, randomFolderName) :
                 localQrContent;
 
-            Console.WriteLine("local QR Content : " + localQrContent);
+            GenerateQRCode(externalQrContent, Path.Combine(baseDirectory, randomFolderName, "qrcode.png"));
-            Console.WriteLine("external QR Content : " + externalQrContent);
-            // 生成二维码（这里使用外网地址的二维码，因为通常外网地址更有用）
-            string qrImagePath = GenerateQRCode(externalQrContent, Path.Combine(baseDirectory, randomFolderName, "qrcode.png"));
             
+            _qrReadyTcs?.TrySetResult(randomFolderName);  // safe call，null-safe
             try
             {
-                listener.Start();
+                _listener.Start();
                 Console.WriteLine("Server started.");
-
-                // 在程序关闭时删除随机文件夹
-                AppDomain.CurrentDomain.ProcessExit += (s, e) => DeleteRandomFolder(baseDirectory);
             }
             catch (HttpListenerException ex)
             {
@@ -114,11 +78,51 @@ namespace DualScreenDemo
                 return;
             }
 
-            while (true)
+            while (!token.IsCancellationRequested)
             {
-                HttpListenerContext context = await listener.GetContextAsync();
+                try
-                await ProcessRequestAsync(context, baseDirectory, randomFolderName);
+                {
+                    HttpListenerContext  context = await _listener.GetContextAsync();
+                    await ProcessRequestAsync(context, baseDirectory, randomFolderName);
+                }
+                catch (HttpListenerException)
+                {
+                    // 可能是 Stop() 引起，不處理
+                    break;
+                }
             }
+
+            _listener.Close();
+            Console.WriteLine("Server stopped.");
+        }
+        
+        public static async Task RestartServer()
+        {
+            Console.WriteLine("Restarting server...");
+
+            _cts?.Cancel();
+            _listener?.Stop();
+
+            if (_serverTask != null)
+            {
+                try { await _serverTask; }
+                catch (OperationCanceledException) { }
+            }
+
+            DeleteRandomFolder(_baseDirectory);
+
+            _cts = new CancellationTokenSource();
+
+            
+            // ✅ 等 QR code 跑完
+            _qrReadyTcs = new TaskCompletionSource<string>();
+            _serverTask = StartServer(_baseDirectory, _port, _songListManager, _cts.Token);
+            string readyFolder = await _qrReadyTcs.Task;
+
+            // ✅ 等 QR Code 圖片準備好之後再處理 UI 更新
+            Console.WriteLine("restart : " + readyFolder);
+            PrimaryForm.Instance.OverlayQRCodeOnImage(readyFolder);
+            OverlayForm.Instance.DisplayQRCodeOnOverlay(readyFolder);
         }
 
         private static async Task ProcessRequestWithTimeout(HttpListenerContext context, string baseDirectory, string randomFolderName)
@@ -161,11 +165,11 @@ namespace DualScreenDemo
                 try
                 {
                     Directory.Delete(fullPath, true);
-                    Console.WriteLine("Deleted random folder: " + fullPath);
+                    Console.WriteLine("刪除 random folder: " + fullPath);
                 }
                 catch (Exception ex)
                 {
-                    Console.WriteLine("Error deleting random folder: " + ex.Message);
+                    Console.WriteLine("錯誤 deleting random folder: " + ex.Message);
                 }
             }
         }
@@ -173,7 +177,6 @@ namespace DualScreenDemo
         public static string GetServerAddress()
         {
             return String.Format("http://{0}:{1}/", _localIP, _port);
-            // return String.Format("http://111.246.145.170:8080/");
         }
         /// <summary>
         /// 生成隨機路徑

HttpServerManager.cs

@@ -4,13 +4,17 @@ namespace DualScreenDemo
 {
     public static class HttpServerManager
     {
+        private static CancellationTokenSource _cts;
+
         public static async void StartServer()
         {
             int httpPort = 9090; // 你可以修改此端口
             string baseDirectory = Path.Combine(Application.StartupPath, @"themes\superstar\_www");
 
             CleanUpDirectory(baseDirectory);
-            await HttpServer.StartServer(baseDirectory, httpPort, Program.songListManager);
+            // await HttpServer.StartServer(baseDirectory, httpPort, Program.songListManager);
+            _cts = new CancellationTokenSource();
+            await HttpServer.StartServer(baseDirectory, httpPort, Program.songListManager, _cts.Token);
         }
         
 

OverlayFormObj/OverlayForm.cs

@@ -62,11 +62,12 @@ namespace OverlayFormObj
             get { return _mainForm; }
             private set { _mainForm = value; }
         }
-
+        public static OverlayForm Instance { get; private set; }
         public OverlayForm()
         {
             SetStyle(ControlStyles.SupportsTransparentBackColor, true);
             MainForm = this;  
+            Instance = this; 
             InitializeFormSettings();
             ConfigureTimers();
             InitializeLabels();
@@ -1512,7 +1513,6 @@ private void DisplayArtists(List<Artist> artists, int page)//歌星點進去後
             ClearDisplay();
             DisplaySongs(currentPage);
         }
-        /* 秒數偵測BUG 測試 */
         public void AddSongToPlaylist(SongData songData)
         {
             try

PrimaryFormParts/HotSong/PrimaryForm.HotSong.cs

@@ -84,7 +84,6 @@ namespace DualScreenDemo
             myFavoritesButton.BackgroundImage = myFavoritesNormalBackground;
             promotionsButton.BackgroundImage = promotionsNormalBackground;
             deliciousFoodButton.BackgroundImage = deliciousFoodNormalBackground;
-
             activeButton.BackgroundImage = activeBackground;
         }
 
@@ -144,13 +143,8 @@ namespace DualScreenDemo
 
         private void HideQRCode()
         {
-            if (pictureBoxQRCode != null)
+            pictureBoxQRCode.Visible = false;
-            {
+            closeQRCodeButton.Visible = false;
-                pictureBoxQRCode.Visible = false;
-            }
-            if(closeQRCodeButton != null){
-                closeQRCodeButton.Visible = false;
-            }
         }
 
         private void InitializeButtonsForHotSong()

PrimaryFormParts/PrimaryForm.QRCode.cs

@@ -3,10 +3,10 @@ namespace DualScreenDemo
 {
     public partial class PrimaryForm : Form
     {
-        private PictureBox pictureBoxQRCode;
+        public PictureBox pictureBoxQRCode;
-        private Button closeQRCodeButton;
+        public Button closeQRCodeButton;
 
-        private void OverlayQRCodeOnImage(string randomFolderPath)
+        public void OverlayQRCodeOnImage(string randomFolderPath)
         {
             try
             {
@@ -40,17 +40,19 @@ namespace DualScreenDemo
                     string qrImagePath = Path.Combine(Application.StartupPath, "themes/superstar/_www", randomFolderPath, "qrcode.png");
                     if (!File.Exists(qrImagePath))
                     {
-                        Console.WriteLine("QR code image not found: " + qrImagePath);
+                        Console.WriteLine("布局 image not found: " + qrImagePath);
                         return;
                     }
 
+                    string tempPath = Path.GetTempFileName();
+                    File.Copy(qrImagePath, tempPath, true); // 複製一份再讀，避開快取
 
                     Image qrCodeImage = null;
                     for (int i = 0; i < 3; i++)
                     {
                         try
                         {
-                            using (var fs = new FileStream(qrImagePath, FileMode.Open, FileAccess.Read))
+                            using (var fs = new FileStream(tempPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
                             {
                                 qrCodeImage = Image.FromStream(fs);
                             }
@@ -59,9 +61,10 @@ namespace DualScreenDemo
                         catch (Exception ex)
                         {
                             Console.WriteLine("Error loading QR code image: " + ex.Message);
-                            System.Threading.Thread.Sleep(100); 
+                            Thread.Sleep(100);
                         }
                     }
+                    File.Delete(tempPath); // 用完記得刪除
 
                     if (qrCodeImage == null)
                     {
@@ -78,15 +81,10 @@ namespace DualScreenDemo
                             {
                                 
                                 g.DrawImage(baseImage, 0, 0);
-
-                                
-                                
                                 Rectangle qrCodeRect = new Rectangle(32, 39, 165, 165);
                                 
                                 g.DrawImage(qrCodeImage, qrCodeRect);
                             }                            
-
-                            
                             pictureBoxQRCode.Image = new Bitmap(bitmap);
                         }
                     }

PrimaryFormParts/PrimaryForm.cs

@@ -339,10 +339,14 @@ namespace DualScreenDemo
             buttonTopLeft.BringToFront();
             buttonThanks.BringToFront();
         }
-
+        // 修正螢幕初始化關鍵
         public void HideSendOffScreen()
         {
             sendOffPanel.Visible = false;
+             foreach (Control ctrl in this.Controls)
+            {
+                ctrl.Enabled = true;
+            }
         }
 
         private void HideControlsRecursively(Control parent)
@@ -2458,11 +2462,47 @@ namespace DualScreenDemo
         // 添加 Form Load 事件處理方法
         private void PrimaryForm_Load(object sender, EventArgs e)
         {   
-            // 確保所有控件都已初始化完成後，再觸發熱門排行按鈕點擊
             if (hotPlayButton != null)
             {
                 HotPlayButton_Click(null, EventArgs.Empty);
             }
+                try
+                {
+                    string stateFilePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "txt", "states.txt");
+                    string initialState = ReadStateFile(stateFilePath);
+
+                    if (initialState.Equals("CLOSE", StringComparison.OrdinalIgnoreCase))
+                    {
+                        foreach (Control ctrl in this.Controls)
+                        {
+                            ctrl.Enabled = false;
+                        }
+
+                        ShowSendOffScreen();
+                    }
+                }
+                catch (Exception ex)
+                {
+                    Console.WriteLine($"[PrimaryForm_Load] 初始化狀態錯誤: {ex.Message}");
+                }
+            // 確保所有控件都已初始化完成後，再觸發熱門排行按鈕點擊
+            
+        }
+
+        private string ReadStateFile(string filePath)
+        {
+            try
+            {
+                if (File.Exists(filePath))
+                {
+                    return File.ReadAllText(filePath).Trim();
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine("讀取 states.txt 時發生錯誤: " + ex.Message);
+            }
+            return "";
         }
 
         private void AutoRefreshTimer_Tick(object sender, EventArgs e)

TCPServer.cs

@@ -87,9 +87,10 @@ namespace DualScreenDemo
             //sender.Start();
             // Console.WriteLine($"heart beat for server{sender.RemoteEndPoint.Address}:{sender.RemoteEndPoint.Port}");
             try {
+                
                 string stateFilePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory,"txt","states.txt");
                 string initialState = ReadStateFile(stateFilePath);
-
+                /*
                 if (initialState.Equals("CLOSE", StringComparison.OrdinalIgnoreCase))
                 {
                     _ = SafeInvoke(PrimaryForm.Instance, () =>
@@ -106,6 +107,7 @@ namespace DualScreenDemo
                         }
                     });
                 }
+                */
 
                 while (true)
                 {
@@ -139,11 +141,13 @@ namespace DualScreenDemo
 
                                 if (command.Trim().Equals("X", StringComparison.OrdinalIgnoreCase))
                                 {
+                                    PrimaryForm.Instance.pictureBoxQRCode.Visible = false;
+                                    PrimaryForm.Instance.closeQRCodeButton.Visible = false;
                                     _ = SafeInvoke(VideoPlayerForm.Instance, async () =>
                                     {
                                         if (IsFormReady(PrimaryForm.Instance))
                                         {
-                                            await SafeInvoke(PrimaryForm.Instance, () =>
+                                            await SafeInvoke(PrimaryForm.Instance, async () =>
                                             {
                                                 PrimaryForm.Instance.ShowSendOffScreen();
 
@@ -178,7 +182,14 @@ namespace DualScreenDemo
                                                     VideoPlayerForm.Instance.PlayNextSong();
                                                     PrimaryForm.Instance.logout();
                                                     Console.WriteLine("已設置新的播放列表，包含當前歌曲和 CLOSE.MPG");
-                                                    
+                                                    try
+                                                    {
+                                                        await HttpServer.RestartServer();
+                                                    }
+                                                    catch (Exception ex)
+                                                    {
+                                                        Console.WriteLine("RestartServer 發生錯誤: " + ex.Message);
+                                                    }
                                                 }
                                                 else
                                                 {