Add files via upload

初始化

MainForm.cs

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+#nullable enable
+using System;
+using System.Drawing;
+using System.Windows.Forms;
+
+namespace AppStore
+{
+    public class MainForm : Form
+    {
+        private Button btnApps = null!;
+        private Button btnDownloads = null!;
+        private Panel contentPanel = null!;
+
+        private void InitializeComponent()
+        {
+            // 窗体基本设置
+            this.Text = "应用商店";
+            this.Size = new Size(800, 600);
+            this.StartPosition = FormStartPosition.CenterScreen;
+            this.Icon = new Icon("img/ico/icon.ico");
+
+            // 顶部按钮面板
+            Panel buttonPanel = new Panel();
+            buttonPanel.Dock = DockStyle.Top;
+            buttonPanel.Height = 50;
+            buttonPanel.BackColor = Color.LightGray;
+            
+            // 软件下载按钮
+            btnApps = new Button();
+            btnApps.Text = "软件下载";
+            btnApps.Size = new Size(100, 30);
+            btnApps.Location = new Point(20, 10);
+            btnApps.Font = new Font("Microsoft YaHei", 9);
+            btnApps.Click += (s, e) => ShowAppsView();
+            buttonPanel.Controls.Add(btnApps);
+            
+            // 下载进度按钮
+            btnDownloads = new Button();
+            btnDownloads.Text = "下载进度";
+            btnDownloads.Size = new Size(100, 30);
+            btnDownloads.Location = new Point(140, 10);
+            btnDownloads.Font = new Font("Microsoft YaHei", 9);
+            btnDownloads.Click += (s, e) => ShowDownloadsView();
+            buttonPanel.Controls.Add(btnDownloads);
+            
+            this.Controls.Add(buttonPanel);
+
+            // 内容区域
+            contentPanel = new Panel();
+            contentPanel.Dock = DockStyle.Fill;
+            contentPanel.Padding = new Padding(20);
+            this.Controls.Add(contentPanel);
+
+            // 默认显示软件下载视图
+            ShowAppsView();
+        }
+
+        private void ShowAppsView()
+        {
+            contentPanel.Controls.Clear();
+
+            // 使用FlowLayoutPanel来组织应用卡片
+            // 使用FlowLayoutPanel实现自动流式布局
+            FlowLayoutPanel flowPanel = new FlowLayoutPanel();
+            flowPanel.Dock = DockStyle.Fill;
+            flowPanel.AutoScroll = true;
+            flowPanel.Padding = new Padding(10, 30, 10, 10); // 增加顶部间距
+            flowPanel.WrapContents = true;
+            contentPanel.Controls.Add(flowPanel);
+
+            // 创建WindowsCleaner应用卡片
+            AppCard windowsCleanerCard = new AppCard();
+            windowsCleanerCard.AppName = "WindowsCleaner";
+            windowsCleanerCard.DownloadUrl = "https://ghproxy.net/https://github.com/darkmatter2048/WindowsCleaner/releases/download/v5.0.8/windowscleaner_v5.0.8_amd64_x64_setup.exe";
+            
+            try
+            {
+                // 加载应用图标
+                windowsCleanerCard.AppIcon = Image.FromFile("img/png/WindowsCleaner.png");
+            }
+            catch
+            {
+                // 如果图标加载失败，使用默认图标
+                windowsCleanerCard.AppIcon = SystemIcons.Application.ToBitmap();
+            }
+            
+            windowsCleanerCard.UpdateDisplay();
+            // 添加卡片到流式布局
+            flowPanel.Controls.Add(windowsCleanerCard);
+        }
+
+        private FlowLayoutPanel downloadsFlowPanel = new FlowLayoutPanel();
+        private List<DownloadItem> downloadItems = new List<DownloadItem>();
+
+        public MainForm()
+        {
+            InitializeComponent();
+            // 订阅下载管理器事件
+            DownloadManager.Instance.DownloadAdded += OnDownloadAdded;
+            DownloadManager.Instance.DownloadProgressChanged += OnDownloadProgressChanged;
+            DownloadManager.Instance.DownloadCompleted += OnDownloadCompleted;
+        }
+
+        private void ShowDownloadsView()
+        {
+            contentPanel.Controls.Clear();
+
+            // 使用FlowLayoutPanel组织下载项
+            downloadsFlowPanel = new FlowLayoutPanel();
+            downloadsFlowPanel.Dock = DockStyle.Fill;
+            downloadsFlowPanel.AutoScroll = true;
+            downloadsFlowPanel.Padding = new Padding(10, 30, 10, 10); // 增加顶部间距
+            downloadsFlowPanel.FlowDirection = FlowDirection.TopDown;
+            downloadsFlowPanel.WrapContents = false;
+            contentPanel.Controls.Add(downloadsFlowPanel);
+
+            // 显示所有下载项
+            foreach (var item in DownloadManager.Instance.DownloadItems)
+            {
+                downloadsFlowPanel.Controls.Add(item);
+            }
+        }
+
+        private void OnDownloadAdded(DownloadItem item)
+        {
+            if (InvokeRequired)
+            {
+                Invoke(new Action<DownloadItem>(OnDownloadAdded), item);
+                return;
+            }
+
+            downloadItems.Add(item);
+            downloadsFlowPanel?.Controls.Add(item);
+        }
+
+        private void OnDownloadProgressChanged(DownloadItem item)
+        {
+            if (InvokeRequired)
+            {
+                Invoke(new Action<DownloadItem>(OnDownloadProgressChanged), item);
+                return;
+            }
+
+            item.UpdateDisplay();
+        }
+
+        private void OnDownloadCompleted(DownloadItem item)
+        {
+            if (InvokeRequired)
+            {
+                Invoke(new Action<DownloadItem>(OnDownloadCompleted), item);
+                return;
+            }
+
+            item.UpdateDisplay();
+        }
+    }
+}