using Squirrel; namespace Wox.Core.Updater { public class UpdaterManager { private static UpdaterManager instance; public static UpdaterManager Instance { get { if (instance == null) { instance = new UpdaterManager(); } return instance; } } private UpdaterManager() { } public void CheckUpdate() { using (var mgr = new UpdateManager("https://path/to/my/update/folder", "nuget-package-id", FrameworkVersion.Net45)) { mgr.UpdateApp(); } } } }