private async void equalButton_Click(object sender, EventArgs e)
{
if (isNewOperation)
{
return;
}
try
{
_numbers[1] = Convert.ToInt32(textBox.Text);
}
catch (Exception)
{
return;
}
var operation = MathOperationFactory.GetMathOperation(_operationKey);
decimal result;
try
{
result = await operation.Calculate(_numbers);
}
catch (MathOperationException ex)
{
textBox.Text = ex.Message;
_numbers = new int[2];
return;
}
isNewOperation = true;
textBox.Text = result.ToString();
}
private void fibButton_Click(object sender, EventArgs e)
{
var operation = MathOperationFactory.GetMathOperation("fib");
_numbers[0] = Convert.ToInt32(textBox.Text);
textBox.Text = operation.Calculate(_numbers).Result.ToString();
isNewOperation = true;
}