void DebugPrint(LPCTSTR lpctFormat, ...)
{
   va_list va;
   va_start(va, lpctFormat);

   boost::scoped_array<TCHAR> lptszBuffer(new TCHAR[4096]);

   _vstprintf(lptszBuffer.get(), lpctFormat, va);

   va_end(va);
   OutputDebugString(lptszBuffer.get());
}