private void btnProses_Click(object sender, EventArgs e)
{
rms = new rumus();
rms.Pilihan = this.cmbOperasi.Text.ToLower();
rms.Operasi = string.Empty;
rms.Hasil = 0;
rms.Nilai_A = double.Parse(this.txtNilaiA.Text);
rms.Nilai_B = double.Parse(this.txtNilaiB.Text);
if (this.cmbOperasi.SelectedIndex == 0)
{
rms.Hasil = rms.Nilai_A + rms.Nilai_B;
rms.Pilihan = "+";
}
else if (this.cmbOperasi.SelectedIndex == 1)
{
rms.Hasil = rms.Nilai_A - rms.Nilai_B;
rms.Pilihan = "-";
}
else if (this.cmbOperasi.SelectedIndex == 2)
{
rms.Hasil = rms.Nilai_A * rms.Nilai_B;
rms.Pilihan = "*";
}
if (this.cmbOperasi.SelectedIndex == 3)
{
rms.Hasil = rms.Nilai_A / rms.Nilai_B;
rms.Pilihan = "/";
}
this.OnCreate(rms);
}
private void Cal_OnCreate(rumus rms)
{
listHasil.Items.Add("Hasil " + rms.Nilai_A + " " + rms.Pilihan + " " + rms.Operasi + " " + rms.Nilai_B + " " + "=" + " " + rms.Hasil);
}