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Restricting TMemo length

 

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Question:

I was wondering if it were possible to restrict the number of lines in a TMemo.
For example my TMemo shall not allow to show more than 7 lines of text at once.


Answer:

Handle the OnChange event with the code below.

procedure TForm1.Memo1Change(Sender: TObject);
begin
  if Memo1.Lines.Count > 7 then
  begin
    MessageBeep($FfffFfff);
    Memo1.Lines.Delete(7);
  end;
end;
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