C / C++ / MFC

CString str;
double dblValue = 2.25;

str.Format("%0.2f",dblValue);
//0.2 means 2 chars after decimal

//! Checks whether a directory exists.
//@param  strDirectory  Directory
//@return true if the directory exists, false otherwise.
bool dirExists
  (CString strDirectory)
{
  // Create full directory specification - return if unable
  TCHAR* fullPath = _tfullpath (NULL, strDirectory, 0);
  if (fullPath == NULL)
     return (false);
 
  // Check if directory exists by trying to make it the default directory
  TCHAR szCurrDir [_MAX_PATH];
  _tgetcwd (szCurrDir, _MAX_PATH - 1);
  long nStatus = _tchdir (fullPath);
  _tchdir (szCurrDir);
 
  // Return
  free (fullPath);    
  if (nStatus == 0)
     return (true);
  return (false);
}

BOOL CheckExistedFolder(CString strFolderName)
{
   if(GetFileAttributes(strFolderName) == INVALID_FILE_ATTRIBUTES)
   {
      return false;
   }
   else
   {
      return true;
   }
}