//Листинг 6.13. Передача данных в сообщении WM_COPYDATA

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
   static int *p;
   int i, j, *q;
   COPYDATASTRUCT cds;
   switch (message)
   {
   case WM_CREATE:
      p = new int [100];
      for (i = 1, q = p; i <= 10; i++)
         for (j = 1; j <= 10; j++, q++) *q = i*j;
      break;

   case WM_COMMAND:
      switch (LOWORD (wParam))
      {
      case ID_SEND:
         cds.cbData = 100*sizeof(int);
         cds.lpData = p;
         SendMessage (FindWindow (NULL, _T("Acceptor")), WM_COPYDATA, 0,
                               (LPARAM)&cds);
         break;
      case IDM_EXIT: DestroyWindow(hWnd); break;
      default: return DefWindowProc(hWnd, message, wParam, lParam);
      }
      break;
   case WM_DESTROY: PostQuitMessage(0); break;
   default: return DefWindowProc(hWnd, message, wParam, lParam);
   }
   return 0;
}