static void Main(string[] args)
{
// Some code, which will be validate data to constructors:
try
{
Console.WriteLine("Ведите радиус окружности: ");
double radius = Double.Parse(Console.ReadLine());
IFigure circle = new Circle {
Radius = radius
};
var results = new List <ValidationResult>();
var context = new ValidationContext(circle);
if (!Validator.TryValidateObject(circle, context, results, true))
{
foreach (var error in results)
{
Console.WriteLine(error.ErrorMessage);
}
}
else
{
Console.WriteLine(circle.GetArea());
}
// The Same code for triangles and some other figures
Console.ReadKey();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
static void Main(string[] args)
{
double radius;
Console.WriteLine("Введите радиус окружности: ");
string input = Console.ReadLine();
bool resultOfParse = double.TryParse(input, out radius);
if (resultOfParse == true && radius >= 0 && radius <= double.MaxValue)
{
IFigure circle = new Circle(radius);
Console.WriteLine($"Площадь окружности с радиусом {radius} равна {circle.GetArea()}");
}
else
{
Console.WriteLine("Неверно задан радиус!");
}
Console.ReadKey();
// The same code for check triangle or another figure sides
}