C / C++ / MFC

std::string strText;
std::stringstream ssBuf;
ssBuf.imbue(std::locale::classic()); // This line tells the stringstream to use the classic locale
ssBuf<<55555;
ssBuf>>strText;

std::string strText;
std::stringstream ssBuf;
std::locale l;
l = l.combine<std::numpunct<char> >(std::locale::classic());
ssBuf.imbue(l);
ssBuf<<55555;
ssBuf>>strText;

Cedric Moonen wrote:

Great reply, got my 5

Cedric Moonen wrote:

Don't you consider writing an article for CP ?

Stuart Dootson wrote:

Your locale[^] is getting in the way.

class CTimer
{
public:
   CTimer(std::string const& what) : what_(what) { QueryPerformanceFrequency((LARGE_INTEGER*)&freq_); begin_ = Now(); }
   ~CTimer() { end_ = Now(); ShowTime(end_ - begin_); }
private:
   __int64 Now()
   {
      __int64 now;
      QueryPerformanceCounter((LARGE_INTEGER*)&now);
      // Now divide now by freq_ to get seconds - I generally scale before the division to get microseconds or nanoseconds
      return the time you calculated;
   }
   void ShowTime(__int64 deltaTime) { std::cout << "Doing " << what_ << /* Display deltaTime nicely */ << std::endl; }
   __int64 begin_, end_;
   __int64 freq_;
   const std::string what_;
};
// in my code
   {
      CTimer t("some message");
      // Do something lengthy
   } // A message is displayed when t goes out of scope, showing the time taken over it's lifetime, whic is near enough the time for the lengthy bit

CString(0xcccccccc) wrote:

More precisely, I want windows to draw the menu and let me do the remaining of the painting.

BEGIN_MSG_MAP(CWtlsdiView)
  MESSAGE_HANDLER(WM_NCPAINT, OnNcPaint)
END_MSG_MAP()

LRESULT OnNcPaint(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
{
   DefWindowProc();
   // Do your painting
   return 0;
}

CRect GetCaptionRect(CWindow& wnd)
{
   // Get size of frame around window
   DWORD dwStyle = wnd.GetStyle();
   CSize szFrame = (dwStyle & WS_THICKFRAME) ?
      CSize(GetSystemMetrics(SM_CXSIZEFRAME),
      GetSystemMetrics(SM_CYSIZEFRAME)) :
   CSize(GetSystemMetrics(SM_CXFIXEDFRAME),
      GetSystemMetrics(SM_CYFIXEDFRAME));

   int cxIcon = GetSystemMetrics(SM_CXSIZE); // width of caption icon/button

   CRect r;
   // Compute rectangle
   wnd.GetWindowRect(&r);		// window rect in screen coords
   r -= CPoint(r.left, r.top);	// shift origin to (0,0)
   r.left  += szFrame.cx;				// frame
   r.right -= szFrame.cx;				// frame
   r.top   += szFrame.cy;				// top = end of frame
   r.bottom = r.top + GetSystemMetrics(SM_CYCAPTION)  // height of caption
      - GetSystemMetrics(SM_CYBORDER);				  // minus gray shadow border
   return r;
}

class MyDialog : public CDialogImpl<MyDialog>
{
public:
   BEGIN_MSG_MAP(MyDialog)
      MESSAGE_HANDLER(WM_NCPAINT, OnNcPaint)
   END_MSG_MAP()

   LRESULT OnNcPaint(UINT nMsg, WPARAM hRgn, LPARAM lParam, BOOL& /*bHandled*/)
   {
      CRect r = GetCaptionRect(*this);
      r.right = r.left + r.Width()/2;
      HRGN onlyRedrawIn = ::CreateRectRgn(r.left, r.top, r.right, r.bottom);

      ::DefWindowProc(m_hWnd, nMsg, (WPARAM)onlyRedrawIn, lParam);
      return 0;
   }
};