+int wxChoice::DoInsert(const wxString& item, int pos)
+{
+ wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list"));
+ wxCHECK_MSG((pos>=0) && (pos<=GetCount()), -1, wxT("invalid index"));
+
+ int n = (int)SendMessage(GetHwnd(), CB_INSERTSTRING, pos, (LONG)item.c_str());
+ if ( n == CB_ERR )
+ {
+ wxLogLastError(wxT("SendMessage(CB_INSERTSTRING)"));
+ }
+
+ return n;
+}
+