C / C++ / MFC

if (::OpenClipboard(NULL))
{
   ::EmptyClipboard();

   RECT rc;
   HBITMAP hBmp;
   HDC hDC;
   HDC cDC;
   HWND hWnd = myParmsPtr->liveHwnd;

   ::GetWindowRect(hWnd, &rc);
   long lStillWidth  = rc.right - rc.left;
   long lStillHeight = rc.bottom - rc.top;

   hDC = ::GetDC(hWnd);
   cDC = ::CreateCompatibleDC(hDC);

   hBmp = ::CreateCompatibleBitmap(cDC,lStillWidth,lStillHeight);
   HGDIOBJ oldBmp;
   oldBmp = ::SelectObject(cDC, &hBmp);

   PAINTSTRUCT ps;
   ::BeginPaint(hWnd, &ps);
   int prevMode = ::SetStretchBltMode(cDC, COLORONCOLOR);
   ::StretchDIBits(cDC,
                   0, 0, lStillWidth, lStillHeight,
                   0, 0, lStillWidth, lStillHeight,
                   cb.pBuffer, (BITMAPINFO*)(&cb.bih),
                   DIB_RGB_COLORS, SRCCOPY);
   ::SetStretchBltMode(cDC, prevMode);
   ::EndPaint(hWnd, &ps);

   if (!::SetClipboardData(CF_DIB, hBmp))
   //if (!::SetClipboardData(CF_BITMAP, hBmp))
   {
      LPVOID lpMsgBuf;
      FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
                    NULL, GetLastError(), 0, (LPTSTR)&lpMsgBuf, 0, NULL);
      MessageBox(NULL, (LPCTSTR)lpMsgBuf, "Error", MB_OK | MB_ICONINFORMATION);
      LocalFree(lpMsgBuf);
      MessageBeep(0);
   }
   ::CloseClipboard();

   ::SelectObject(hDC, oldBmp);
   ::DeleteObject(hBmp);
   ::DeleteDC(cDC);
   ::DeleteDC(hDC);
}