-    nIndex = (int)::WinSendMsg( GetHwnd()
-                               ,LM_INSERTITEM
-                               ,(MPARAM)nIndexType
-                               ,(MPARAM)rsItem.wx_str()
-                              );
-    return nIndex;
-} // end of wxChoice::DoAppend
-
-int wxChoice::DoInsert( const wxString& rsItem, unsigned int pos )
-{
-    wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list"));
-    wxCHECK_MSG(IsValidInsert(pos), -1, wxT("invalid index"));
-
-    if (pos == GetCount())
-        return DoAppend(rsItem);
-
-    int  nIndex;
-    LONG nIndexType = 0;
-
-    if (m_windowStyle & wxCB_SORT)
-        nIndexType = LIT_SORTASCENDING;