/// <summary>
/// Выполнить заданную операцию
/// </summary>
public dynamic SetOperation(out string oper)
{
int operation = GetOperation();
dynamic res = 0;
oper = string.Empty;
switch (operation)
{
case 1:
res = Add.Invoke(_val1, _val2);
oper = "+";
break;
case 2:
res = Subtr.Invoke(_val1, _val2);
oper = "-";
break;
case 3:
res = Mult.Invoke(_val1, _val2);
oper = "*";
break;
case 4:
res = Div.Invoke(_val1, _val2);
oper = "/";
break;
}
return(res);
}
private string calculate(OperationDelegate callback)
{
return(callback.Invoke(val1, val2));
}
