private void Btequal_Click(object sender, EventArgs e) { Tbvalue.Clear(); switch (Op) { case "+": Tbresult.Text = (value + double.Parse(Tbresult.Text)).ToString(); break; case "-": Tbresult.Text = (value - double.Parse(Tbresult.Text)).ToString(); break; case "*": Tbresult.Text = (value * double.Parse(Tbresult.Text)).ToString(); break; case "/": Tbresult.Text = (value / double.Parse(Tbresult.Text)).ToString(); break; default: break; } }
private void Btcancel_Click(object sender, EventArgs e) { Tbvalue.Clear(); Tbresult.Text = "0"; value = 0; }