Ho fatto cosi ma non va:
procedure TForm1.Button1Click(Sender: TObject);
begin
label1.Color:=clGreen;
timer1.enabled:=true;
end;
procedure TForm1.Timer1Timer(Sender: TObject);
begin
if Label1.Color = clRed then
Label1.Color := clGreen
else
Label1.Color := clRed;
end;
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