新增代理设置功能，优化模式切换逻辑，更新控制台输出选项

.vscode/tasks.json

@@ -0,0 +1,16 @@
+{
+	"version": "2.0.0",
+	"tasks": [
+		{
+			"type": "dotnet",
+			"task": "build D:\\Debug\\Debug.csproj",
+			"file": "D:\\Debug\\Debug.csproj",
+			"group": {
+				"kind": "test",
+				"isDefault": true
+			},
+			"problemMatcher": [],
+			"label": "dotnet: build D:\\Debug\\Debug.csproj"
+		}
+	]
+}

ModeSwitch.cs

@@ -2,6 +2,8 @@
 namespace Debug;
 public class ModeSwitch
 {
+
+    private object? class_;
     public event Action<int>? Enter;
     private readonly string[] str = ["退出"];
     private int mode = 0;
@@ -11,6 +13,16 @@ public class ModeSwitch
     public ModeSwitch(string title, string[] a, Action<int> Enter) : this(title, a, Enter, string.Empty)
     {
     }
+
+    public ModeSwitch(object class_, string title, string[] a, Action<int> Enter, string message)
+    {
+        this.class_ = class_;
+        this.Enter = Enter;
+        str = a;
+        this.title = title;
+        this.message = message;
+        Run();
+    }
     public ModeSwitch(string title, string[] a, Action<int> Enter, string message)
     {
         this.Enter = Enter;
@@ -63,7 +75,15 @@ public class ModeSwitch
             }
             else if (key.Key == ConsoleKey.Escape)
             {
-                IsEnd();
+                if (class_ != null)
+                {  // 通过反射创建新的实例
+                    Type? type = class_?.GetType(); // 获取类型
+                    object? newInstance = type?.GetConstructor(Type.EmptyTypes)?.Invoke(null);
+                }
+                else
+                {
+                    IsEnd();
+                }
                 return;
             }
             else

Program.cs

@@ -30,7 +30,7 @@ public class Program
     {
         Console.Clear();
         // ResetChars();
-        string[] str = ["抽卡", "搜索引擎", Music.title, "小龙快跑", "贪吃蛇", "铁锈助手(联机模块)[未开发]"];
+        string[] str = ["抽卡", "搜索引擎", Music.title, "小龙快跑", "贪吃蛇", "铁锈助手(联机模块)[未开发]", "服务器代理"];
         var modeSwitch = new ModeSwitch("请选择你要执行的操作", str, (a) =>
         {
             switch (a)
@@ -55,6 +55,9 @@ public class Program
                     // _ = new Tanchishe.Main();
                     _ = new Program();
                     break;
+                case 6:
+                    _ = new ProxySettingsHelper(this);
+                    break;
             }
         }, "作者:MuQing\n使用语言:C#\n使用IDE:VS Code\n使用框架:.NET 8.0 \n测试运行平台:Windows11\n项目地址:https://git.coldmint.top/muqing/ModelingMusicForm.git");
     }

ProxySettingsHelper.cs

@@ -0,0 +1,74 @@
+using Microsoft.Win32;
+using System.Runtime.InteropServices;
+namespace Debug;
+#pragma warning disable CA1416 // 验证平台兼容性
+#pragma warning disable CS8600 // 将 null 字面量或可能为 null 的值转换为非 null 类型。
+public class ProxySettingsHelper
+{
+    // 引入WinINet API函数
+    [DllImport("wininet.dll", SetLastError = true)]
+    private static extern bool InternetSetOption(IntPtr hInternet, int dwOption, IntPtr lpBuffer, int dwBufferLength);
+
+    private const int INTERNET_OPTION_SETTINGS_CHANGED = 39;
+    private const int INTERNET_OPTION_REFRESH = 37;
+
+    public string? proxy = "127.0.0.1:7890"; // 代理服务器地址
+    public bool enableProxy = false; // true 开启代理，false 关闭代理
+    public ProxySettingsHelper(object class_)
+    {
+        enableProxy = IsProxyEnabled();
+        _ = new ModeSwitch(class_, "Proxy设置", ["关闭代理", "打开代理"], (a) =>
+        {
+            switch (a)
+            {
+                case 0:
+                    SetProxy(false, proxy);
+                    break;
+                case 1:
+                    SetProxy(true, proxy);
+                    break;
+            }
+            _ = new ProxySettingsHelper(this);
+        }, $"代理已{(enableProxy ? "开启" : "关闭")}，地址: {proxy}");
+    }
+
+
+    public void SetProxy(bool enable, string proxyAddress)
+    {
+        string proxyEnable = enable ? "1" : "0";
+        string proxyServer = enable ? proxyAddress : "";
+
+        using (RegistryKey key = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Internet Settings", true))
+        {
+            if (key != null)
+            {
+                key.SetValue("ProxyEnable", proxyEnable, RegistryValueKind.DWord);
+                key.SetValue("ProxyServer", proxyServer, RegistryValueKind.String);
+            }
+        }
+
+        // 使更改立即生效
+        InternetSetOption(IntPtr.Zero, INTERNET_OPTION_SETTINGS_CHANGED, IntPtr.Zero, 0);
+        InternetSetOption(IntPtr.Zero, INTERNET_OPTION_REFRESH, IntPtr.Zero, 0);
+    }
+
+    public bool IsProxyEnabled()
+    {
+        using (RegistryKey key = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Internet Settings", false))
+        {
+            if (key == null) return false;
+
+            object proxyEnable = key.GetValue("ProxyEnable");
+            object proxyServer = key.GetValue("ProxyServer");
+
+            bool enabled = proxyEnable != null && (int)proxyEnable == 1;
+            if (enabled && proxyServer != null && proxyServer.ToString() != null)
+            {
+                proxy = proxyServer?.ToString();
+            }
+
+            return enabled;
+        }
+    }
+
+}