Initial TaskbarLauncher release baseline

Services/StartupService.cs

@@ -0,0 +1,68 @@
+using System.IO;
+
+namespace TaskbarLauncher.Services;
+
+public static class StartupService
+{
+    private const string ShortcutName = "TaskbarLauncher.lnk";
+
+    public static string StartupFolder => Environment.GetFolderPath(Environment.SpecialFolder.Startup);
+
+    public static string ShortcutPath => Path.Combine(StartupFolder, ShortcutName);
+
+    public static bool IsEnabled()
+    {
+        return File.Exists(ShortcutPath);
+    }
+
+    public static void SetEnabled(bool enabled)
+    {
+        if (enabled)
+        {
+            CreateShortcut();
+        }
+        else
+        {
+            RemoveShortcut();
+        }
+    }
+
+    public static string? GetShortcutTarget()
+    {
+        if (!File.Exists(ShortcutPath))
+        {
+            return null;
+        }
+
+        Type shellType = Type.GetTypeFromProgID("WScript.Shell")
+            ?? throw new InvalidOperationException("Windows Script Host is not available.");
+        dynamic shell = Activator.CreateInstance(shellType)
+            ?? throw new InvalidOperationException("Could not create Windows Script Host shell.");
+        dynamic shortcut = shell.CreateShortcut(ShortcutPath);
+        return shortcut.TargetPath;
+    }
+
+    private static void CreateShortcut()
+    {
+        Directory.CreateDirectory(StartupFolder);
+
+        string executablePath = Environment.ProcessPath ?? Path.Combine(ConfigService.AppFolder, "TaskbarLauncher.exe");
+        Type shellType = Type.GetTypeFromProgID("WScript.Shell")
+            ?? throw new InvalidOperationException("Windows Script Host is not available.");
+        dynamic shell = Activator.CreateInstance(shellType)
+            ?? throw new InvalidOperationException("Could not create Windows Script Host shell.");
+        dynamic shortcut = shell.CreateShortcut(ShortcutPath);
+        shortcut.TargetPath = executablePath;
+        shortcut.WorkingDirectory = ConfigService.AppFolder;
+        shortcut.Description = "Start Taskbar Launcher";
+        shortcut.Save();
+    }
+
+    private static void RemoveShortcut()
+    {
+        if (File.Exists(ShortcutPath))
+        {
+            File.Delete(ShortcutPath);
+        }
+    }
+}