private void DoOperation(string operationType)
{
helper = new CalculatorCompositionHelper();
helper.AssembleCalculatorComponents();
var result = helper.Execute(Convert.ToDouble(textBox1.Text), Convert.ToDouble(textBox2.Text), operationType);
textBox3.Text = result.ToString();
}
private void button1_Click(object sender, EventArgs e)
{
helper = new CalculatorCompositionHelper();
helper.AssembleCalculatorComponents();
var result = helper.Execute(Convert.ToDouble(textBox1.Text),
Convert.ToDouble(textBox2.Text), "Add");
textBox3.Text = result.ToString();
}
