BiliRanking.Core.Updater.Http_DownloadFileCompleted C# (CSharp) Method

        private void Http_DownloadFileCompleted(object sender, System.ComponentModel.AsyncCompletedEventArgs e)
        {
            string filename = Assembly.GetExecutingAssembly().Location;
            File.Move(filename, filename + ".delete");
            File.Move(DownloadFileName, Environment.CurrentDirectory + $@"\BiliRanking.exe");
            MessageBox.Show($"新版本已经准备完毕//天书好是辛苦的呢！\r\n我要重启自己来更新咯(●'◡'●)", "注意啊啊啊", MessageBoxButtons.OK, MessageBoxIcon.Information);
            System.Diagnostics.Process.Start(Environment.CurrentDirectory + $@"\BiliRanking.exe");
            //File.Move(filename + ".new", "BiliRanking.exe");
            Application.Exit();
        }