[DllImport("gnomeui-2")] static extern IntPtr gnome_app_new(string appname, string title); public App (string appname, string title) : base (IntPtr.Zero) { if (GetType () != typeof (App)) { CreateNativeObject (new string[0], new GLib.Value[0]); Construct (appname, title); return; } Raw = gnome_app_new(appname, title); }