public static void Main()
{
Program p = new Program();
addnum ad = new addnum(p.add);
int a = ad(10, 20); //ad.Invoke(10,20)
//Console.WriteLine(a);
subnum sb = new subnum(p.sub);
// Console.WriteLine( sb(10,20));
calculator c = new calculator(p.add);
int ans = c.Invoke(12, 23);
Console.WriteLine(ans);
c = c + p.sub;
int ans2 = c.Invoke(1, 1);
Console.WriteLine(ans2);
//multicast delegate
rectDelegate rd = new rectDelegate(p.area);
rd += p.perimeter;
rd.Invoke(10, 4);
}
public void Execute()
{
// creating object "obj" of class "Geeks"
Delegates _DelegatesTest = new Delegates();
// creating object of delegate, name as "del_obj1"
// for method "sum" and "del_obj2" for method "subtract" &
// pass the parameter as the two methods by class object "obj"
// instantiating the delegates
addnum del_obj1 = new addnum(_DelegatesTest.Summation);
subnum del_obj2 = new subnum(_DelegatesTest.Subtraction);
//div del_obj3 = new div(_DelegatesTest.Subtraction);
// pass the values to the methods by delegate object
del_obj1(100, 40);
del_obj2(100, 60);
//del_obj3(100, 50);
//float abc = del_obj3(100, 50);
// These can be written as using
// "Invoke" method
// del_obj1.Invoke(100, 40);
// del_obj2.Invoke(100, 60);
}
public void DelegateExample()
{
// creating object "obj" of class "Geeks"
Delegate2 obj = new Delegate2();
// creating object of delegate, name as "del_obj1"
// for method "sum" and "del_obj2" for method "subtract" &
// pass the parameter as the two methods by class object "obj"
// instantiating the delegates
addnum del_obj1 = new addnum(obj.sum);
subnum del_obj2 = new subnum(obj.subtract);
//Multicast delegates
del_obj1 += obj.subtract;
// pass the values to the methods by delegate object
del_obj1(100, 40);
del_obj2(100, 60);
// These can be written as using
// "Invoke" method
// del_obj1.Invoke(100, 40);
// del_obj2.Invoke(100, 60);
}
public static void Main()
{
Delegate_Demo2 del2 = new Delegate_Demo2();
addnum del_obj1 = new addnum(del2.sum);
subnum del_obj2 = new subnum(del2.subtract);
del_obj1(100, 40);
del_obj2(100, 60);
}
static void Main(string[] args)
{
Program obj = new Program();
addnum del_obj1 = new addnum(obj.sum);
subnum del_obj2 = new subnum(obj.subtract);
del_obj1(100, 40);
del_obj2(100, 60);
}
public static void Main(string[] args)
{
Geeks obj = new Geeks();
addnum del_obj1 = new addnum(obj.sum);
addnum del_obj2 = new addnum(obj.subtract);
del_obj1(100, 40);
del_obj2(100, 99);
}
public static void Main(string [] args)
{
Delegates obj = new Delegates();
addnum del_obj1 = new addnum(obj.sum);
subnum del_obj2 = new subnum(obj.subtract);
del_obj1(100, 40); // Calling of Delegates
//del_obj1.Invoke(100,40)
del_obj2(100, 60);
//del_obj2.Invoke(100,40)
}
public static void Main(String[] args)
{
var obj = new del();
addnum del_obj1 = new addnum(obj.sum);
subnum del_obj2 = new subnum(obj.subtract);
del_obj1.Invoke(51, 50);
del_obj2.Invoke(51, 50);
}
// Main Method
public static void Main(String[] args)
{
// creating object "obj" of class "Geeks"
Delegates obj = new Delegates();
addnum del_obj1 = new addnum(obj.sum);
subnum del_obj2 = new subnum(obj.subtract);
square del_obj3 = new square(obj.area);
del_obj1(100, 40);
del_obj2(100, 60);
del_obj3 += obj.perimeter;
del_obj3.Invoke(3, 4);
Console.WriteLine();
Console.ReadKey();
}
public static void Main()
{
addnum ad = delegate(int a, int b){
return(a + b);
};
Console.WriteLine(ad(1, 2));
subnum sb = delegate(int a, int b){
return(a - b);
};
Console.WriteLine(sb(10, 3));
}
static void Main(string[] args)
{
Program obj = new Program();
addnum del_obj1 = new addnum(obj.sum);
subnum del_obj2 = new subnum(obj.substract);
del_obj1(100, 40);
del_obj2(100, 60);
//del_obj1.Invoke(100, 40);
//del_obj2.Invoke(100, 60);
Console.ReadLine();
}
static void Main(string[] args)
{
SomeClass d1 = new SomeClass();
//For ssingle delegate
// creating object of delegate, name as "del_obj1"
addnum del_obj1 = new addnum(d1.AdditionFN);
subnum del_obj2 = new subnum(d1.SubtractionFN);
// pass the values to the methods by delegate object
del_obj1(100, 40);
del_obj2(100, 60);
Console.ReadKey();
Console.WriteLine();
//For ssingle delegate
// For MultiCasst Delegate
// creating delegate object, name as "rectdele"
// and pass the method as parameter by
// class object "rect"
rectDelegate rectdele = new rectDelegate(d1.area);
//or
// rectDelegate rectdele1 = d1.area;
// call 2nd method "perimeter"
// Multicasting
rectdele += d1.perimeter;
// pass the values in two method
// by using "Invoke" method
rectdele.Invoke(6.3, 4.2);
Console.WriteLine();
// call the methods with
// different values
rectdele.Invoke(16.3, 10.3);
Console.ReadKey();
}
