C / C++ / MFC

#define GetParam(arg,num) (((int *)(&arg))[num])
func1(const char *lll, ...);

func1(const char *lll, ...)
{
    __int64 l_nNumber;  // a 64 bits unit to store the data
    int pos=0; // the current position of the args: 0=lll, 1=next val,2= 3rd,...
 
    ((__int32 *)&l_nNumber)[0]= GetParam(lll, ++pos); // copy the 1st 32bits
    ((__int32 *)&l_nNumber)[1]= GetParam(lll, ++pos); // copy the 2st 32bits
 
    //BTW: works same way on double
}

void CMyZoomListBox::OnSelchange() 
{	
	if ( -1 != m_nLastSelection ) {

		SetItemHeight ( m_nLastSelection, m_nNormalSize );

	}
	
	m_nLastSelection = GetCurSel ();
	SetItemHeight ( m_nLastSelection, m_nZoomSize );

	Invalidate (); // update window to reflect size changes

}

void SendTextToWindow(HWND hwndTarget, UINT uiMessage, LPCSTR lpszText);
{
     CString* pText = new CString;
     (*pText) = lpszText;

     ::PostMessage(hwndTarget, uiMessage, (WPARAM)pText, 0);
}

LRESULT OnSomeMessage(WPARAM wParam, LPARAM lParam)
{
     CString* pText = (CString*)wParam;
     ASSERT(pText);

     // do something with pText

     delete pText;

     return 0;
}