修改主程序，以C++为程序计算核心

AppCard.cs

@@ -1,6 +1,11 @@
 using System;
 using System.Drawing;
 using System.Windows.Forms;
+using System.IO;
+using System.Diagnostics;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Collections.Concurrent;
 
 namespace AppStore
 {
@@ -9,6 +14,8 @@ namespace AppStore
         private PictureBox iconBox;
         private Label nameLabel;
         private Button downloadBtn;
+        private static readonly ConcurrentDictionary<string, System.Drawing.Drawing2D.GraphicsPath> PathCache = 
+            new ConcurrentDictionary<string, System.Drawing.Drawing2D.GraphicsPath>();
 
         public string AppName { get; set; } = string.Empty;
         public Image AppIcon { get; set; } = SystemIcons.Application.ToBitmap();
@@ -22,42 +29,239 @@ namespace AppStore
             InitializeComponent();
         }
 
+        private static readonly ConcurrentDictionary<string, System.Drawing.Drawing2D.GraphicsPath> BorderCache = 
+            new ConcurrentDictionary<string, System.Drawing.Drawing2D.GraphicsPath>();
+
         private void InitializeComponent()
         {
-            this.Size = new Size(220, 180);
+            this.Size = new Size(240, 200);
             this.BackColor = Color.White;
-            this.BorderStyle = BorderStyle.FixedSingle;
-            this.Padding = new Padding(5);
+            this.Padding = new Padding(10);
+            
+            // 异步初始化卡片路径和边框
+            Task.Run(() => {
+                InitializeCardPath();
+                InitializeBorder();
+            });
 
             // 应用图标
             iconBox = new PictureBox();
-            iconBox.Size = new Size(64, 64);
-            iconBox.Location = new Point(10, 10);
+            iconBox.Size = new Size(80, 80);
+            iconBox.Location = new Point((Width - 80) / 2, 15);
             iconBox.SizeMode = PictureBoxSizeMode.StretchImage;
             this.Controls.Add(iconBox);
 
             // 应用名称
             nameLabel = new Label();
             nameLabel.AutoSize = false;
-            nameLabel.Size = new Size(140, 60);
-            nameLabel.Location = new Point(80, 15);
+            nameLabel.Size = new Size(Width - 20, 40);
+            nameLabel.Location = new Point(10, 100);
             nameLabel.Font = new Font("Microsoft YaHei", 10, FontStyle.Bold);
-            nameLabel.TextAlign = ContentAlignment.TopLeft;
+            nameLabel.TextAlign = ContentAlignment.MiddleCenter;
             this.Controls.Add(nameLabel);
 
             // 下载按钮
             downloadBtn = new Button();
             downloadBtn.Text = "下载";
-            downloadBtn.Size = new Size(80, 30);
-            downloadBtn.Location = new Point(70, 120);
+            downloadBtn.Size = new Size(100, 32);
+            downloadBtn.Location = new Point((Width - 100) / 2, 150);
             downloadBtn.BackColor = Color.FromArgb(0, 120, 215);
             downloadBtn.ForeColor = Color.White;
             downloadBtn.FlatStyle = FlatStyle.Flat;
             downloadBtn.FlatAppearance.BorderSize = 0;
+            downloadBtn.Cursor = Cursors.Hand;
+            downloadBtn.Font = new Font("Microsoft YaHei", 9);
+            
+            // 按钮悬停效果
+            downloadBtn.MouseEnter += (s, e) => {
+                downloadBtn.BackColor = Color.FromArgb(0, 150, 255);
+            };
+            
+            downloadBtn.MouseLeave += (s, e) => {
+                downloadBtn.BackColor = Color.FromArgb(0, 120, 215);
+            };
+            
             downloadBtn.Click += DownloadBtn_Click;
             this.Controls.Add(downloadBtn);
         }
 
+        /// <summary>
+        /// 初始化卡片边框路径
+        /// 使用C++程序计算高性能边框路径并缓存结果
+        /// </summary>
+        private void InitializeBorder()
+        {
+            // 使用卡片尺寸作为缓存键
+            string cacheKey = $"{Width}_{Height}_10";
+            
+            // 检查缓存中是否已有路径
+            if (!BorderCache.TryGetValue(cacheKey, out var borderPath))
+            {
+                // 创建临时文件存储路径数据
+                string tempFile = Path.GetTempFileName();
+                try 
+                {
+                    // 配置C++程序启动参数
+                    ProcessStartInfo startInfo = new ProcessStartInfo 
+                    {
+                        FileName = Path.Combine(Application.StartupPath, "resource", "border_renderer.exe"),
+                        Arguments = $"{Width} {Height} 10 \"{tempFile}\"", // 传递宽高和圆角半径
+                        UseShellExecute = false, // 不显示命令行窗口
+                        CreateNoWindow = true    // 静默运行
+                    };
+
+                    // 启动C++程序计算路径
+                    using (var process = Process.Start(startInfo)) 
+                    {
+                        process.WaitForExit();
+                        
+                        // 检查计算结果
+                        if (process.ExitCode == 0 && File.Exists(tempFile)) 
+                        {
+                            // 读取C++程序生成的路径点
+                            var lines = File.ReadAllLines(tempFile);
+                            PointF[] points = lines.Select(line => {
+                                var parts = line.Split(','); // 解析坐标点
+                                return new PointF(float.Parse(parts[0]), float.Parse(parts[1]));
+                            }).ToArray();
+                            
+                            // 创建GraphicsPath对象
+                            borderPath = new System.Drawing.Drawing2D.GraphicsPath();
+                            borderPath.AddLines(points); // 添加路径点
+                            
+                            // 缓存路径对象
+                            BorderCache.TryAdd(cacheKey, borderPath);
+                        }
+                    }
+                }
+                finally 
+                {
+                    // 确保临时文件被删除
+                    if (File.Exists(tempFile)) 
+                    {
+                        File.Delete(tempFile);
+                    }
+                }
+            }
+        }
+
+        // 边框和阴影效果
+        protected override void OnPaint(PaintEventArgs e)
+        {
+            base.OnPaint(e);
+            
+            // 绘制背景
+            using (var brush = new SolidBrush(this.BackColor)) {
+                e.Graphics.FillRectangle(brush, this.ClientRectangle);
+            }
+
+            string cacheKey = $"{Width}_{Height}_10";
+            if (BorderCache.TryGetValue(cacheKey, out var borderPath))
+            {
+                try 
+                {
+                    // 绘制阴影
+                    using (var shadowBrush = new SolidBrush(Color.FromArgb(20, 0, 0, 0))) {
+                        e.Graphics.FillPath(shadowBrush, borderPath);
+                    }
+
+                    // 绘制边框（调整为蓝色系）
+                    using (var pen = new Pen(Color.FromArgb(70, 130, 200), 4)) {
+                        e.Graphics.DrawPath(pen, borderPath);
+                    }
+                }
+                catch (Exception ex)
+                {
+                    Debug.WriteLine($"边框绘制错误: {ex.Message}");
+                    // 回退到简单矩形边框
+                    using (var pen = new Pen(Color.FromArgb(100, 150, 220), 2)) {
+                        e.Graphics.DrawRectangle(pen, new Rectangle(0, 0, Width-1, Height-1));
+                    }
+                }
+            }
+            else
+            {
+                // 缓存未命中时绘制默认边框
+                using (var pen = new Pen(Color.FromArgb(100, 150, 220), 2)) {
+                    e.Graphics.DrawRectangle(pen, new Rectangle(0, 0, Width-1, Height-1));
+                }
+            }
+        }
+
+        /// <summary>
+        /// 初始化卡片形状路径
+        /// 使用C++程序计算圆角矩形路径并缓存结果
+        /// </summary>
+        private void InitializeCardPath()
+        {
+            int radius = 10; // 圆角半径
+            string cacheKey = $"{Width}_{Height}_{radius}"; // 缓存键
+            
+            // 检查缓存
+            if (!PathCache.TryGetValue(cacheKey, out var path)) 
+            {
+                string tempFile = Path.GetTempFileName(); // 临时文件路径
+                
+                try {
+                    // 配置C++程序启动参数
+                    ProcessStartInfo startInfo = new ProcessStartInfo {
+                        FileName = Path.Combine(Application.StartupPath, "resource", "card_calculator.exe"),
+                        Arguments = $"{Width} {Height} {radius} {tempFile}", // 传递宽高半径和输出文件
+                        UseShellExecute = false, // 不显示命令行窗口
+                        CreateNoWindow = true    // 静默运行
+                    };
+
+                    // 启动C++程序计算路径
+                    using (var process = Process.Start(startInfo)) {
+                        process.WaitForExit();
+                        
+                        // 检查计算结果
+                        if (process.ExitCode == 0 && File.Exists(tempFile)) {
+                            // 读取生成的路径点
+                            var lines = File.ReadAllLines(tempFile);
+                            PointF[] points = lines.Select(line => {
+                                var parts = line.Split(','); // 解析坐标
+                                return new PointF(float.Parse(parts[0]), float.Parse(parts[1]));
+                            }).ToArray();
+                            
+                            // 创建并缓存路径对象
+                            path = new System.Drawing.Drawing2D.GraphicsPath();
+                            path.AddLines(points);
+                            PathCache.TryAdd(cacheKey, path);
+                        }
+                    }
+                } catch {
+                    // C++程序失败时使用C#回退方案
+                    path = CalculatePathFallback(Width, Height, radius);
+                } finally {
+                    // 确保删除临时文件
+                    if (File.Exists(tempFile)) {
+                        File.Delete(tempFile);
+                    }
+                }
+            }
+
+            // 应用计算好的路径
+            if (path != null)
+            {
+                this.Invoke((MethodInvoker)delegate {
+                    this.Region = new Region(path); // 设置控件区域
+                    this.Refresh(); // 重绘控件
+                });
+            }
+        }
+
+        private System.Drawing.Drawing2D.GraphicsPath CalculatePathFallback(int width, int height, int radius)
+        {
+            var path = new System.Drawing.Drawing2D.GraphicsPath();
+            path.AddArc(0, 0, radius * 2, radius * 2, 180, 90);
+            path.AddArc(width - radius * 2, 0, radius * 2, radius * 2, 270, 90);
+            path.AddArc(width - radius * 2, height - radius * 2, radius * 2, radius * 2, 0, 90);
+            path.AddArc(0, height - radius * 2, radius * 2, radius * 2, 90, 90);
+            path.CloseFigure();
+            return path;
+        }
+
         public void UpdateDisplay()
         {
             nameLabel.Text = AppName;