Código Delphi [-] TForm1.OnEdit1Change(Sender: TObject); begin if (length((Sender as TEdit).Text) > 0) then Button1.Enabled := true; else Button1.enabled := false;
TForm1.OnEdit1Change(Sender: TObject); begin if (length((Sender as TEdit).Text) > 0) then Button1.Enabled := true; else Button1.enabled := false;