#include "stdio.h"
#include "dateutils.hpp"    void __fastcall TForm1::Timer1Timer(TObject *Sender)
{
//建立檔案結構
  WIN32_FIND_DATA fs;
  HANDLE he;
  char pathbuf[MAX_PATH];      FILETIME nLocalTime;
  SYSTEMTIME STime;
  TDateTime dtTime;
  TDateTime DTime = Now();
  DTime = IncMinute(DTime,-5);      sprintf(pathbuf,"%s*.*","d:\\test\\"); //搜尋位置及檔案格式
  if ((he = FindFirstFile(pathbuf,&fs)) != INVALID_HANDLE_VALUE) 
  {
    do 
    {
      FileTimeToLocalFileTime(&fs.ftLastWriteTime,&nLocalTime);
      FileTimeToSystemTime(&nLocalTime,&STime);
      dtTime = SystemTimeToDateTime(STime);
      if (dtTime < DTime) 
      {
        DeleteFile(fs.cFileName); 
      }
    } 
    while (FindNextFile(he,&fs))
         FindClose(he); 
  }
}