public void PhisPar(double r) //выводит диаметр и обьем обьекта
{
MyDeleg myDel = new MyDeleg(Diam); //добавляем в список вызова делегата метод Diam
myDel += new MyDeleg(Val); //добавляем в список вызова делегата второй метод Val
myDel(r); // вызываем оба метода
}
public static int Main()
{
Test t = new Test();
MyDeleg d2 = new MyDeleg(t.f2);
return(Convert.ToInt32(d2("test2")));
}
static void Main(string[] args)
{
MyDel del = new MyDel(TestFunction); // outdated, only C# 1.x era
MyDel dele = TestFunction; //better shorthand since C# 2.0
dele += TestFunction2;
Console.WriteLine(dele); //only has value returned by last method in invocation list of entire delegate.
MyDeleg deleg = TestFunctionDog; //covariance
MyDelegate delegi = TestFunctionAnimal; //contravariance
}
static void Main(string[] args)
{
MyDeleg <double> del1 = Add;
del1(2, 4);
MyDeleg <string> del2 = Concat;
del2("Hello", "Vlados - Kross!");
MyDeleg <char> del3 = (char a, char b) => Console.WriteLine($"{a} and {b} : {Char.ToUpper(a)} and {Char.ToUpper(b)}");
del3('a', 'b');
//Action action = Test;
//action?.Invoke();
//action += ()=> Console.WriteLine("Lambda");
//action();
Console.OutputEncoding = System.Text.Encoding.Unicode;
Action <int, string> action2 = (number, str) => Console.WriteLine($"{number} == {str.Length} : {number == str.Length} ");
action2(5, "Hello");
Func <int, DateTime, string> func = (number, date) => $"New Date : {date.AddDays(number): dd-MMM-yyyy}";
string resurlt = func(5, DateTime.Today);
Console.WriteLine(resurlt);
int value = new Random().Next(100);
Predicate <int> predicate = (number) => number % 2 == 0;
Console.WriteLine($"{value} : {predicate(value)}");
Comparison <Persone> cmpAge = (e, e2) => e.Age.CompareTo(e2.Age);
Persone[] persones =
{
new Persone(),
new Persone {
Name = "Vadim",Age = 17
},
new Persone {
Name = "Alina",Age = 13
}
};
Array.Sort(persones, cmpAge);
foreach (var item in persones)
{
Console.WriteLine(item);
}
}
public static int Main()
{
Test t = new Test();
MyDeleg d2 = new MyDeleg(t.f2);
return Convert.ToInt32(d2("test2"));
}
public static int Main()
{
MyDeleg d1 = new MyDeleg(f1);
return(Convert.ToInt32(d1("test1")));
}
public static int Main()
{
MyDeleg d1 = new MyDeleg(f1);
return Convert.ToInt32(d1("test1"));
}
