private static void FuncDemo()
{
Matematik matematik = new Matematik();
Func <int, int, int> func = matematik.Carp;
Console.WriteLine(func.Invoke(4, 5));
Func <int> randomNumber = delegate()
{
var random = new Random();
int randomNum = random.Next(1, 20);
return(randomNum);
};
Console.WriteLine(randomNumber.Invoke());
DelegateCalculate delegateCalculate = matematik.Bol;
}
static void Main(string[] args)
{
Dictionary <BaseFigure, DelegateCalculate> calculation = new Dictionary <BaseFigure, DelegateCalculate>();
var square = new Square(10);
var circle = new Circle(12);
var rectangle = new Rectangle(5, 10);
var triangle = new Triangle(3, 5, 8, 12);
DelegateCalculate squareCalculate = square.GetArea;
squareCalculate += square.GetPerimetr;
DelegateCalculate circleCalculate = circle.GetArea;
circleCalculate += circle.GetPerimetr;
DelegateCalculate rectangleCalculate = rectangle.GetArea;
rectangleCalculate += rectangle.GetPerimetr;
DelegateCalculate triangleCalculate = triangle.GetArea;
triangleCalculate += triangle.GetPerimetr;
calculation.Add(square, squareCalculate);
calculation.Add(circle, circleCalculate);
calculation.Add(rectangle, rectangleCalculate);
calculation.Add(triangle, triangleCalculate);
calculation[square]();
calculation[circle]();
calculation[rectangle]();
calculation[triangle]();
Console.WriteLine(square.ToString());
Console.WriteLine(circle.ToString());
Console.WriteLine(rectangle.ToString());
Console.WriteLine(triangle.ToString());
Console.ReadKey();
}
private static void DelegateDemo()
{
CustomerManager customerManager = new CustomerManager(); //CustomerManeger classından nesne oluşturuldu.
DelegateMessenger delegateMessenger = customerManager.SendMessage; //Bu nesneye ait metotlar oluşturulan delegateye atandı.
delegateMessenger += customerManager.ShowAlert; //delegate ye metot eklendi.
delegateMessenger(); //delegate aktif hale getirildi.
Matematik matematikIslem = new Matematik();
DelegateMath delegateMath = matematikIslem.Topla;
delegateMath += matematikIslem.Cikarma;
delegateMath(4, 3);
DelegateCalculate delegateCalculate = matematikIslem.Bol;
result = delegateCalculate(5, 3);
Console.WriteLine(result);
delegateCalculate += matematikIslem.Carp;
Console.WriteLine(delegateCalculate(result, 3));
}