public void SetItem_IsHilo(string item)
 {
     if (IsHilos.InvokeRequired)
     {
         SetItemListDelegate delegado = new SetItemListDelegate(SetItem_IsHilo);
         IsHilos.Invoke(delegado, new object[] { item });
     }
     else
     {
         IsHilos.AppendText(item + "\n");
     }
 }
 private void btnStop_Click(object sender, EventArgs e)
 {
     try
     {
         PararHiloSecundario();
         idHilo = 0;
     }
     catch (Exception)
     {
         IsHilos.AppendText("Inicie un proceso\n");
     }
 }