BOOL CCheckListBox::OnChildNotify(UINT message, WPARAM wParam, LPARAM lParam,
LRESULT* pResult)
{
switch (message)
{
case WM_DRAWITEM:
ASSERT(pResult == NULL); // no return value expected
PreDrawItem((LPDRAWITEMSTRUCT)lParam);
break;
case WM_MEASUREITEM:
ASSERT(pResult == NULL); // no return value expected
PreMeasureItem((LPMEASUREITEMSTRUCT)lParam);
break;
case WM_COMPAREITEM:
ASSERT(pResult != NULL); // return value expected
*pResult = PreCompareItem((LPCOMPAREITEMSTRUCT)lParam);
break;
case WM_DELETEITEM:
ASSERT(pResult == NULL); // no return value expected
PreDeleteItem((LPDELETEITEMSTRUCT)lParam);
break;
default:
return CListBox::OnChildNotify(message, wParam, lParam, pResult);
}
return TRUE;
}
BOOL CCheckListBoxEx::OnChildNotify(UINT message, WPARAM wParam, LPARAM lParam, LRESULT* pLResult)
{
if (m_ilCheck.GetSafeHandle())
{
switch (message)
{
case WM_DRAWITEM:
PreDrawItem((LPDRAWITEMSTRUCT)lParam);
return TRUE;
case WM_MEASUREITEM:
PreMeasureItem((LPMEASUREITEMSTRUCT)lParam);
return TRUE;
}
}
// else default
return CCheckListBox::OnChildNotify(message, wParam, lParam, pLResult);
}
