Código Delphi [-] procedure TForm1.Button1Click(Sender: TObject); begin if (Form2 <> nil) and not (Form2.Visible = true) then begin Form2.Create(Self); Form2.Show; end; end;
procedure TForm1.Button1Click(Sender: TObject); begin if (Form2 <> nil) and not (Form2.Visible = true) then begin Form2.Create(Self); Form2.Show; end; end;