private void OnOperatorClick(object sender, EventArgs e)
{
Button b = (Button)sender;
_operation = b.Text;
try
{
_calculatorEngine.SubmitOperation("=", Convert.ToDecimal(_shownText));
_isOperatorPressed = true;
_equation = _shownText + " " + _operation;
_calculatorView.EquationLabel(_equation);
}
catch (FormatException)
{
_messageBoxDisplayService.Show("Enter a valid value");
_shownText = "0";
_equation = "0";
//vreau ca operatia sa ramana salvata in eventualitatea in care userul a realizat din greseala o operatie "nevalida" si doreste sa continue efectuarea acesteia, cu un operand valid, dupa ce curata ResultBox-ul.
}
}