Getting the index of a list box to show in a msgbox

PHP Code:

---

                case IDC_LISTBOX_TEXT:
                {
                    switch(HIWORD(wParam))
                    {
                        case LBN_SELCHANGE:
                        {
int index = (int)SendMessage(window, LB_GETCURSEL, 0, 0);
//I would convert index to a string here right..
MessageBox(NULL, "The Index Is!", LbIndexString, MB_OK | MB_USERICON);
                        }
                    }
                }
                break; 


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How do I conver Index to a string so I can show the index in a msg box?

Look into:
a) FAQ
b) std::stringstream
c) itoa()
d) ultoa()

Or
char lbText[4];
sprintf(lbText,"%d",index);

Code:

---

char LbIndexString[512];
SendMessage(hwndList,LB_GETTEXT,index,(WPARAM)LbIndexString);

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Not sure why it put a space in that code. It's supposed to read (WPARAM)LbIndexString