private static void Main(string[] args)
{
var oper = OperationFactory.CreationOperation("/");
oper.NumberA = 1;
oper.NumberB = 0;
try
{
Console.WriteLine(oper.GetResult());
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
oper.NumberB = 2;
Console.WriteLine(oper.GetResult());
Console.ReadKey();
}