C / C++ / MFC

#include "stdlib.h"
#include "stdio.h"
#include "time.h"

int main( void )
{
   int i;

   /* Seed the random-number generator with current time so that
    * the numbers will be different every time we run.
    */
   srand( (unsigned)time( NULL ) );

   /* Display 10 numbers. */
   for( i = 0;   i < 10;i++ )
      printf( "  %6d\n", rand() );
}

random_nb = (((rand()*(y-x))/(RAND_MAX))+x;

ON_COMMAND_RANGE_EX (AFX_IDM_FIRST_MDICHILD, AFX_IDM_FIRST_MDICHILD + 8, MyWindowHandler)
...
BOOL CMyFrame::MyWindowHandler (UINT nCmd)
{
    ....

    return FALSE; // Carry on handling this nmessage - maybe true to use.
}

<br />
BOOL CMainFrame::OnCommand(WPARAM wParam, LPARAM lParam)<br />
{<br />
    if (wParam >= AFX_IDM_FIRST_MDICHILD && wParam <= AFX_IDM_FIRST_MDICHILD + 8)<br />
    {               <br />
        //Get hold of a handle to the relevant window:<br />
        HWND hWnd = ::GetDlgItem(m_hWndMDIClient, wParam);<br />
        CMDIChildWnd* pChild = (CMDIChildWnd*)CWnd::FromHandlePermanent(hWnd);<br />
        <br />
        //Now do whatever it is I want to do with the window<br />
        pChild->DoWhatEver();<br />
    }<br />
<br />
    return __super::OnCommand(wParam, lParam);<br />
}

HRESULT GetText(IHTMLDocument2* pDoc, BSTR* pTextOut)
{
     if ( pTextOut == NULL )
     {
         return E_POINTER;
     }
     *pTextOut = NULL;
 
     CComPtr<IHTMLElement> spBody;
     HRESULT hr = pDoc->get_body(&spBody);
     if ( FAILED(hr) )
     {
         return hr;
     }
 
     return spBody->get_innerText(pTextOut);
}