private void button1_Click(object sender, EventArgs e)
{
ClsPhanso a, b, c;
a = new ClsPhanso(int.Parse(ts1.Text), int.Parse(ms1.Text));
b = new ClsPhanso(int.Parse(ts2.Text), int.Parse(ms2.Text));
if (rbCong.Checked == true)
{
c = ClsPhanso.Cong(a, b);
}
else if (rbtru.Checked == true)
{
c = ClsPhanso.Tru(a, b);
}
else if (rbnhan.Checked == true)
{
c = ClsPhanso.Nhan(a, b);
}
else if (rbchia.Checked == true)
{
c = ClsPhanso.Chia(a, b);
}
else
{
c = new ClsPhanso();
}
ts3.Text = c.tuso.ToString();
ms3.Text = c.mauso.ToString();
}
public static ClsPhanso Nhan(ClsPhanso a, ClsPhanso b)
{
ClsPhanso c = new ClsPhanso();
c.ts = a.ts * b.ts;
c.ms = a.ms * b.ms;
c.Toigian();
return(c);
}