简单监控程序

主要API

 FindFirstChangeNotification()

WaitForSingleObject()

FindNextChangeNotification()

FindCloseChangeNotification();

 

 

#include <windows.h> #include <TCHAR.h> #include <iostream> using namespace std; int main(int, char *[]) { HANDLE hChange = FindFirstChangeNotification (_T("D://"),FALSE,FILE_NOTIFY_CHANGE_FILE_NAME); if( INVALID_HANDLE_VALUE == hChange) { cout<<_T("you failed to have a handle to changeNotification")<<endl; return -1; } int nCount=0; while(TRUE) { DWORD dwWaitStatus=WaitForSingleObject(hChange, INFINITE); if(WAIT_FAILED == dwWaitStatus) { cout<<_T("you failed to call WaitForSingleObject API")<<endl; return -1; } //监视事件的发生情况 if(WAIT_OBJECT_0 == dwWaitStatus) { MessageBox(NULL,_T("file has be changed"),_T("file"),MB_OK); nCount++; if (5 == nCount) { break; } } if (!FindNextChangeNotification(hChange)) { cout<<_T("you failed to tripple next notification")<<endl; return -1; } } FindCloseChangeNotification(hChange); return 0; }