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TListBox & Autoscroll

hi there,

i fairly new to Delphi so this might have a very simple answer,

I have a listBox and i can add items to it well enough, but when i add, lets call it, to many items a scrollbar appears on the right, good thing.

Here comes the Question:
is there a way i can make the listbox autoscroll to the last item if it is needed?

thanks in advance
Colinvanniekerk
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colinvanniekerk
Asked:
colinvanniekerk
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1 Solution
 
kretzschmarCommented:
add just in this way

procedure TForm1.Button1Click(Sender: TObject);
begin
  listbox1.ItemIndex := listbox1.Items.Add(edit1.Text)
end;

meikl ;-)
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Ferruccio AccalaiSenior developer, analyst and customer assistance Commented:
var
ScrollToLast: Boolean;


If ScrollToLast then
   ListBox1.ItemIndex := ListBox1.Items.Count-1;
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Ivanov_GCommented:
procedure TForm1.Button1Click(Sender: TObject);
begin
  ListBox1.TopIndex := ListBox1.Items.Add('Your String');
end;
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Ferruccio AccalaiSenior developer, analyst and customer assistance Commented:
Please colinvanniekerk, can you explain your accepting rules?

Meikl gave quiet the same answer, but before then the Ivanov G, so it was better at least a point splitting between kretzschmar and Ivanov_G

Also why a B grade? It solved exactly your question so the grade might be A...


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kretzschmarCommented:
its ok, f68,

ivanov's solution didn't select any item,
my solution selects allways the last item,
so it could be that ivanov's solution fits better.

but yes, colinvanniekerk, what did you expect to get for an a-grade?

meikl ;-)
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colinvanniekerkAuthor Commented:
Yes it did solve my question and i do apologise again for not including the matter of selecting the last item in the list.

I assigned a grade B because i felt it was a good answer, not an excelent one.
maybe my "excelent" is not your "excelent", but the question was a simple one and therefore the highest grade i though reasonable was "Good".

I now understand that i should rather use "Excelent" for "this answer solves my problem" and "Good" for "This answer points me in the right direction" and "Average" for "this answer helped, but i still need guidance".

does that answer your question Ferruccio68?

appologies for the point distribution, i do agree that kretzschmar should get half the points as i did not mention the selection of the item. Is there any way i can change the point distribution?

colin
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kretzschmarCommented:
btw.

>I now understand that i should rather use "Excelent" for "this answer
>solves my problem" and "Good" for "This answer points me in the
>right direction" and "Average" for "this answer helped, but i still need
>guidance".

is a good explaination :-))

meikl ;-)

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Ferruccio AccalaiSenior developer, analyst and customer assistance Commented:
@does that answer your question Ferruccio68?

Yes, it does :))

Now welcome to Expert Exchange, as you're a new member here in Ex-Ex....

@Is there any way i can change the point distribution?

Ask the P.E. to re-open the question for points splitting (if meikl needs it, but if i know him i think that it doesn't matter for him :)))

F68 ;-)
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kretzschmarCommented:
>but if i know him i think that it doesn't matter for him

correct, doesn't matter for me :-))

anyway a grade-change couls also be done
(just in case, if ivanov is worry about the grade)

meikl ;-)
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Ivanov_GCommented:

  I am not worried about anything guys ... :)))
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colinvanniekerkAuthor Commented:
well, thanks for the warm welcome,

I think it only fair to re-open this post so that the points can be evenly distributed amongst all three people involved, and a more acurate grading be offered.

colin

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Ferruccio AccalaiSenior developer, analyst and customer assistance Commented:
colinvanniekerk

thanks for your points offering, but my comment wasn't right as an assisted answer so don't worry about splitting points to me too...

and as meikl said that he don't mind about points, you could just move the grade from B to A if you want....

BTW Thanks again

F68 ;-)

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colinvanniekerkAuthor Commented:
ok then, kretzschmar, could you please re-open this post so i can change the grading from B - A

thanks
colin
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shaneholmesCommented:
If you want to select the item after the add

ListBox1.ItemIndex := ListBox1.Items.Add('SomeText');




at any other time you can call this to make the last item visible

ListBox1.Perform(LB_SETCARETINDEX, ListBox1.Items[ListBox1.Items.Count-1], MakeLParam(WORD(false), 0));
ListBox1.SetFocus;

Shane
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