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HWND hNBR = 0;
WNDPROC oldFloatProc = 0;

LRESULT CALLBACK ProcEdFloat(HWND hwnd, UINT mssg, WPARAM wParam, LPARAM lParam)
{
  //if(mssg == WM_CHAR) TonCodePourWM_CHAR();
  if(mssg == WM_PASTE) return 0;
  return CallWindowProc(oldFloatProc, hwnd, mssg, wParam, lParam);
}

INT_PTR AppDlgProc(HWND hdlg, UINT mssg, WPARAM wParam, LPARAM lParam)
{
  switch(mssg) {
    case WM_INITDIALOG:
      SetClassLongPtr(hdlg, GCLP_HICON, (LONG_PTR) LoadIcon(0, IDI_APPLICATION));
      hNBR = GetDlgItem(hdlg, IDED_NBR);
      SendMessage(hNBR, EM_LIMITTEXT, 23, 0);
      oldFloatProc = (WNDPROC) SetWindowLongPtrA(hNBR, GWLP_WNDPROC, (LONG_PTR) ProcEdFloat);
      return 1;
    case WM_COMMAND:
      switch(wParam) {
        case IDOK:
          onOK();
          return 0;
        case IDCANCEL: EndDialog(hdlg, 0);
      }
  }
  return 0;
}