Re: Add String in AddObject method and retrieving its va lue

> > I though something like this but must have something wrong.. 
> > hope someone can help
> > 
> > list : Tstrings
> > q :query
> > 
> > I've tried some ways... but doesn´t work.
> > 
> > while not q.eof do begin
> > List.addObject(q.fieldbyname('FullName').asstring, 
> >                       
> > TObject(q.fieldbyname('ShortName').asstring))   //
> > also put the string word after TObject and looks like
> > TObject(String(q.Fieldby....
> > q.next;
> > end;
> > 
> > ComboBoxOnChange(Sender:Tobject);
> > begin
> >   with TComboBox(Sender) do
> >   Showmessage(string(items.object[itemindex]))
> > end;
> > 

You can't do that in this way because the string-handling is a bit 
special in Delphi. See more in the Delphi help

What you can do (short example out of my head)


Type TPerson = Class
     public 
       Constructor Create (_Short: String);
       ShortName : String;
     end;

Constructor Create (_Short: String);
begin
  Shortname := _Short;
end;


while not q.eof do begin
  List.addObject(q.fieldbyname('FullName').asstring, 
     TObject(TPerson.Create (q.fieldbyname
                                ('ShortName').asstring));
  q.next;
end;



ComboBoxOnChange(Sender:Tobject);
begin
  ShowMessage (TPerson (TComboBox(Sender)items.objects
                                    [itemindex])).ShortName)
 end;

Bests Ebi


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