FileExist

BOOL FileExist(LPCTSTR lpszFileName)
{
 HANDLE hFile = CreateFile(lpszFileName, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
 
 if(hFile != INVALID_HANDLE_VALUE)
 {
  CloseHandle(hFile);
  return TRUE;
 }

 return FALSE;
}