private void librosToolStripMenuItem_Click(object sender, EventArgs e)
{
FormLibros frm = FormLibros.ObtenerInstancia();
frm.MdiParent = this;
frm.Show();
frm.BringToFront();
}
public static FormLibros ObtenerInstancia()
{
if (instancia == null)
{
instancia = new FormLibros();
instancia.FormClosed += new FormClosedEventHandler(reset);//SOLO PARA FORMULARIOS
}
return(instancia);
}
private static void reset(object sender, FormClosedEventArgs e)//SOLO PARA FORMULARIOS
{
instancia = null;
}