Ok, Marc.
Here is detailed answer:

begin
   readln(sometextfile,somestring);
   listbox.items.add(somestring);
end;

Here is all Ok -- I see my line there.

When I try to (just for fun):
begin
   readln(sometextfile,somestring);
   listbox.items.add(somestring);
   readln(sometextfile,somestring);
   listbox.items.add(somestring);
   readln(sometextfile,somestring);
   listbox.items.add(somestring);
   readln(sometextfile,somestring);
   listbox.items.add(somestring);
   readln(sometextfile,somestring);
   listbox.items.add(somestring);
end;

All RIGHT. And all OK.

But:
while not eof(sometextfile) do
begin
   readln(sometextfile,somestring);
   listbox.items.add(somestring);
end;

It's freezing a system. Do I need to add:
application.processmessages
into the LOOP? Or what?.. Please help.

The gui may look frozen if you are in some large process without calling

it.

Aha... Even, that a program still FROZED after one hour ;)

+ From: Bogdan M.Maryniuck
+
+ Yes, it's work. Question is HOW.
+ For example:
+
+ while not eof(sometextfile) do
+ begin
+ readln(sometextfile,someasciistring);
+ listbox.items.add(someasciistring);
+ end;
+
+ ...hanging a system and _NOT_ load a lines into a listbox. :-(

How many lines are you trying to add? Have you tried one ?

Marc

That is very possible a call to application.processmessages might be a good idea.

The gui may look frozen if you are in some large process without calling it.

Cliff

Yes, it's work. Question is HOW.
For example:

while not eof(sometextfile) do
   begin
      readln(sometextfile,someasciistring);
      listbox.items.add(someasciistring);
   end;

...hanging a system and _NOT_ load a lines into a listbox. :-(

Don't know, from the things I've seen it works Marc

+ From: Bogdan M.Maryniuck
+
[TMemo errors]

TMemo is redisigned recently and far from complete. So you might run into problems of things not working.
If you find something and have a solution/fix for it, feel free to mail it to us.

Marc

+ From: Bogdan M.Maryniuck

+ >And finally, try to create a temporary TStringList and then assign to
+ >lines. I think this should be substantially faster (not tested).
+ How really better to do it? (Just code simple).

var
  S: TStringList;
begin
  S := TStringList.Create;
  S.LoadFromFile('your file name here');
  YourListBox.Items.Assign(S);
  S.Free;
end;

+ See, Delphi4 is loading without problems, so I mean that it is just
+ TListBox and TMemo bug or these components is too far from
+ the end for now

It might be an performance issue, the components are way from complete.

Marc

Yes, it might be you need to add an Application.ProcessMessages. However, it should not be that thw whole application just freezes. Do you actually reach the end of the file (i.e. the bug may be in the Eof function)?
If the file is really large, it may take some time to add all the lines to a list box.
Also, be sure the sorting is off.
And finally, try to create a temporary TStringList and then assign to lines. I think this should be substantially faster (not tested).

Do you use GTK, Qt or Win32?

Michal Bukovjan

Ok. How about TListBox?

Oh... Sorry. TMemo have another one bug: nobody can edit it ;)

Regards,
M.B.M
_____________________________________________________

Yes, it might be you need to add an Application.ProcessMessages.

? After *ONE HOUR* to load /var/log/messages into TMemo or TListBox???

However, it should not be that thw whole application just freezes. Do you actually reach the end of the file (i.e. the bug may be in the Eof function)?

Yes, `coz simple *.pas file WITHOUT GUI -- works OK.: I have filtered /var/log/messages into another file I created by same function. A algorythm is working properly OK.

Also, be sure the sorting is off.

What?

And finally, try to create a temporary TStringList and then assign to lines. I think this should be substantially faster (not tested).

How really better to do it? (Just code simple).
See, Delphi4 is loading without problems, so I mean that it is just TLiastBox and TMemo bug or these components is too far from the end for now :-(

Do you use GTK, Qt or Win32?

Linux & GTK.

+ From: Bogdan M.Maryniuck

+ Ok. How about TListBox?

Don't know, from the things I've seen it works

Marc

Did you build the glade by chance?

Cliff

"Bogdan M.Maryniuck" wrote

> Also, be sure the sorting is off. What?

Be sure that TListBox.Sorted:= false;

How really better to do it? (Just code simple). See, Delphi4 is loading without problems, so I mean that it is just TLiastBox and TMemo bug or these components is too far from the end for now :-(

Yes, it may be bug of these components.

Michal Bukovjan