우문현답에 감사드리며 
1.0.0.0 폴더에 test.txt 파일을 삭제 시도 시 MessageBox.Show("경고")를 띄우려하는데
안되네요 ㅜㅜ
   private FileSystemWatcher _fileSystemWatcher;
       
        private void Run_Watcher()
        {
            _fileSystemWatcher = new FileSystemWatcher(Application.LocalUserAppDataPath);
            
            _fileSystemWatcher.NotifyFilter = NotifyFilters.Attributes
                                 | NotifyFilters.CreationTime
                                 | NotifyFilters.DirectoryName
                                 | NotifyFilters.FileName
                                 | NotifyFilters.LastAccess
                                 | NotifyFilters.LastWrite
                                 | NotifyFilters.Security
                                 | NotifyFilters.Size;
            _fileSystemWatcher.Changed += OnChanged;
            _fileSystemWatcher.Created += OnCreated;
            _fileSystemWatcher.Deleted += OnDeleted;
            _fileSystemWatcher.Renamed += OnRenamed;
            _fileSystemWatcher.Error += OnError;
            _fileSystemWatcher.Filter = "*.txt";
            _fileSystemWatcher.IncludeSubdirectories = true;
            _fileSystemWatcher.EnableRaisingEvents = true;
        }
        private void btnFeileEvent_Click(object sender, EventArgs e)
        {
            Run_Watcher();
        }
        private static void OnDeleted(object sender, FileSystemEventArgs e)
        {
            
            MessageBox.Show("OnDeleted: " + e.FullPath);
        }
        
        
                    
                    
                    
                    
                    
    
                    
                    
                    
                    
                    
                
                    [최초 등록일: ]
                    [최종 수정일: 4/18/2023]