C# 加载本地文件设置应用程序图标

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();
		}
	}