C / C++ / MFC

#include <windows.h>
    #include <stdlib.h>
    #include <stdio.h>
    #include <tchar.h>
    
    void RefreshDirectory(LPTSTR);
    void RefreshTree(LPTSTR);
    void WatchDirectory(LPTSTR);
    
    int _tmain(int argc, TCHAR *argv[])
    {
        if(argc != 2)
        {
            _tprintf(TEXT("Usage: %s <dir>\n"), argv[0]);
            return 1;
        }
    
        WatchDirectory(argv[1]);
    }
    
    void WatchDirectory(LPTSTR lpDir)
    {
       DWORD dwWaitStatus; 
       HANDLE dwChangeHandles[2]; 
       TCHAR lpDrive[4];
       TCHAR lpFile[_MAX_FNAME];
       TCHAR lpExt[_MAX_EXT];
    
       _tsplitpath_s(lpDir, lpDrive, 4, NULL, 0, lpFile, _MAX_FNAME, lpExt, _MAX_EXT);
    
       lpDrive[2] = (TCHAR)'\\';
       lpDrive[3] = (TCHAR)'\0';
    
    // Watch the directory for file size changes. 
    
       dwChangeHandles[0] = FindFirstChangeNotification( 
          lpDir,                         // directory to watch 
          FALSE,                         // do not watch subtree 
          FILE_NOTIFY_CHANGE_SIZE); // watch file size changes 
    
       
    // Change notification is set. Now wait on notification handles
    
       while (TRUE) 
       {  printf("\nWaiting for notification...\n");
    
          dwWaitStatus = WaitForMultipleObjects(1, dwChangeHandles, FALSE, INFINITE); 
    
          switch (dwWaitStatus) 
          { 
             case WAIT_OBJECT_0: 
    
             // A file size changed in the directory.
             // do your processing and restart the notification.
    						 
    						 _tprintf(TEXT("Directory (%s) changed.\n"), lpDir);
    						 
                 if (FindNextChangeNotification(dwChangeHandles[0]) == FALSE)
                 {
                   printf("\n ERROR: FindNextChangeNotification function failed.\n");
                   ExitProcess(GetLastError()); 
                 }
                 break; 
    
             default: 
                printf("\n ERROR: Unhandled dwWaitStatus.\n");
                ExitProcess(GetLastError());
                break;
          }
       }
    }

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LONG WINAPI VectoredExceptionHandler(PEXCEPTION_POINTERS pExceptionInfo)<br />