private void button1_Click(object sender, EventArgs e)
{
int n1 = int.Parse(textBox1.Text);
int n2 = int.Parse(textBox2.Text);
Dollar dollar1 = new Dollar(n1);
Dollar dollar2 = new Dollar(n2);
Dollar total = new Dollar(0);
total = dollar1 + dollar2;
string msg = dollar1.ToString() + "+" + dollar2.ToString();
msg += "=" + total.ToString();
MessageBox.Show(msg,"計算");
}
private void button1_Click(object sender, EventArgs e)
{
int n1 = int.Parse(textBox1.Text);
int n2 = int.Parse(textBox2.Text);
Dollar dollar1 = new Dollar(n1);
Dollar dollar2 = new Dollar(n2);
Dollar total = new Dollar(0);
total = dollar1 + dollar2;
string msg = dollar1.ToString() + "+" + dollar2.ToString();
msg += "=" + total.ToString();
MessageBox.Show(msg, "計算");
}