[SOLVED] Setting TLabel caption causes crash at run

[GeneCode]

This is weird.
I have a TValueListEditor and Event OnSelection setup.

Here is the onEvent function:

Code: Pascal  [Select][+][-]

1. procedure TForm1.AppTableSelection(Sender: TObject; aCol, aRow: Integer);
2. begin
3.   WriteLn(IntTostr(aRow));
4.   WriteLn(appsArray[aRow]);
5. end;

Work ok, when I select a row on the ValueListEditor, I get the row index and the value of that array at that index. But when I input a TLabel with name appLabel, and I add the code to set the text,

Code: Pascal  [Select][+][-]

1. appLabel.Caption := 'test';

in the event method above, it immediately crash when run.

ERROR:
Project *** raises exception class External SIGSEGV
In file control.inc

Any idea why? 

[GeneCode]

Ok found the issue. lol

Turns out this event is called at formcreate, and that time the label is not created yet (i guess).
So i use a boolean flag to set to true only after formActivate.

And in the onSelection event, do (pseudocode)

if (canRun) {
  set label text.
}

Then it is ok and no more crashing and works as expected.