internal bool Upgrade()
        {
            var upgrade = new UpgradeManager();

            using (var root = Package.UserRegistryRoot) {
                return(upgrade.Upgrade(this, root, SUBKEY_NAME));
            }
        }
 internal bool Upgrade()
 {
     var upgrade = new UpgradeManager();
     using (var root = Package.UserRegistryRoot) {
         return upgrade.Upgrade(this, root, SUBKEY_NAME);
     }
 }