C# 加载本地文件设置应用程序图标

	static class Program{[STAThread]static void Main(){Application.EnableVisualStyles();Application.SetCompatibleTextRenderingDefault(false);Form mainForm = new Form1();mainForm.Show();//IntPtr hProcess = Process.GetCurrentProcess().MainWindowHandle;// 设置应用程序图标SetApplicationIcon(@"./vip.ico");string exeFilePath = Assembly.GetEntryAssembly().Location;CreateShortcut(exeFilePath, @"C:\Users\Admin\Desktop\shortcut.lnk");Application.Run(mainForm);}static void SetApplicationIcon(string iconFilePath){// 从资源文件中加载图标Icon icon = Icon.ExtractAssociatedIcon(iconFilePath);// 将图标设置为应用程序的主图标IntPtr hIcon = icon.Handle;SendMessage(hProcess, WM_SETICON, ICON_SMALL, hIcon);SendMessage(hProcess, WM_SETICON, ICON_BIG, hIcon);// 释放资源//icon.Dispose();}const int WM_SETICON = 0x80;const int ICON_SMALL = 0x0;const int ICON_BIG = 0x1;[System.Runtime.InteropServices.DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]extern static IntPtr SendMessage(IntPtr hWnd, int Msg, int wParam, IntPtr lParam);static IntPtr hProcess{get { return Process.GetCurrentProcess().MainWindowHandle; }}static void CreateShortcut(string targetPath, string shortcutPath){// 创建 WshShell 对象WshShell shell = new WshShell();// 创建快捷方式对象IWshShortcut shortcut = (IWshShortcut)shell.CreateShortcut(shortcutPath);// 设置目标路径和其他属性shortcut.TargetPath = targetPath;shortcut.WorkingDirectory = System.IO.Path.GetDirectoryName(targetPath);shortcut.Description = "Shortcut Description";shortcut.Save();string exeFilePath = Assembly.GetEntryAssembly().Location;string iconPath = Path.ChangeExtension(exeFilePath, ".ico");SetShortcutIcon(shortcutPath, iconPath);}static void SetShortcutIcon(string shortcutPath, string iconPath){// 创建 WshShell 对象WshShell shell = new WshShell();// 读取快捷方式对象IWshShortcut shortcut = (IWshShortcut)shell.CreateShortcut(shortcutPath);// 设置图标路径shortcut.IconLocation = iconPath;// 保存快捷方式shortcut.Save();}}