Potencia de un numero

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace numero16
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

//Variables
short entero, exponente;
int potencia;

//Entrada
private void textBox1_TextChanged(object sender, EventArgs e)
{
entero = short.Parse(textBox1.Text);
}

private void textBox2_TextChanged(object sender, EventArgs e)
{
exponente = short.Parse(textBox2.Text);
}



//Proceso y salida
private void button1_Click(object sender, EventArgs e)
{
potencia = (int)Math.Pow((double)entero, (double)exponente);
textBox3.Text = potencia.ToString();
}
private void button2_Click(object sender, EventArgs e)
{
Application.Exit();
}

}
}