help popping up a box in windows

i need help to popup a message box when somebody clicks the ok cancel or the little x in the corner i dont know how to work with those buttons

int MessageBox( HWND hWnd,
LPCTSTR lpText,
LPCTSTR lpCaption,
UINT uType
);

http://msdn.microsoft.com/library/de...messagebox.asp

to make it popup when you hit a button: do this in your winproc:

Code:

---

switch(msg)
{
case WM_COMMAND:
        switch(LOWORD(wParam))
        {
        case IDC_BUTTON:
                MessageBox(hwnd,"hey!!!","you",MB_OK);
                break;
        }
        break;
}

---

to make it popup when the user closes:

Code:

---

switch(msg)
{
case WM_CLOSE:
case WM_DESTROY:
        MessageBox(hwnd,"hey!!!","you",MB_OK);
        break;
}

---

-edit-
and this belongs more in the win32 forum....