public int Divide(int x, int y)
{
    if (y == 0)
        throw new ArgumentOutOfRangeException();
    return x / y;
}

public void DoSomething()
{
    try
    {
        var x = 1;
        var y = 0;
        // this is the interface for obtaining the normal result type
        var r = Divide(x, y);
        Console.WriteLine("Result: {0}", r);
    }
    // this is the interface for obtaining the erroneuous result type
    catch (ArgumentOutOfRangeException)
    {
        Console.WriteLine("Error");
        throw;
    }
}