NAppUpdate.Framework.Tasks.FileUpdateTask.Rollback C# (CSharp) Method

        public override bool Rollback()
        {
            if (string.IsNullOrEmpty(_destinationFile))
                return true;

            // Copy the backup copy back to its original position
            if (File.Exists(_destinationFile))
                File.Delete(_destinationFile);
            File.Copy(_backupFile, _destinationFile, true);

            return true;
        }