private void agregarServicioToolStripMenuItem_Click(object sender, EventArgs e)
        {
            FormAgregarServicio form = new FormAgregarServicio();

            form.MdiParent = this;
            form.Show();
        }
        private void button3_Click(object sender, EventArgs e)
        {
            FormAgregarServicio form = new FormAgregarServicio();

            form.Show();
        }