static void Main()
{
//int res = Square(2, 3, "exp");
Myclass myclass = new Myclass();
//int res = SquareUsingDelegateParameter(2, 3, specialMeth);
//int res = SquareUsingDelegateParameter(2, 3,
// delegate (int a, int b)
// {
// return 10 * (a * b);
// }
// );
int res = SquareUsingDelegateParameter(2, 3, (a, b) => 10 * (a * b));
//res = specialMeth(6, 9);
Console.WriteLine(res);
}
static void Main2(string[] args)
{
Myclass obj = new Myclass();
funcBinary x = null;
Random r = new Random();
int num = r.Next(1, 6);
switch (num)
{
case 1:
//we are saving the function context inside the delegate variable
x = new funcBinary(obj.add); //upto .net 1.1
break;
case 2:
x = obj.mul;
break;
case 3:
x = obj.sub;
break;
case 4:
x = obj.div;
break;
case 5:
x = obj.powr;
break;
}
//int res = x.Invoke(3, 4);
//Console.WriteLine("result :" + res);
x.BeginInvoke(3, 4, ProcessResult, x);
Console.WriteLine("Continuing with the usual task....");
Console.ReadKey();
}
static int Square(int x, int y, string operationType)
{
int res = 0;
Myclass myclass = new Myclass();
if (operationType == "add")
{
res = x * x + y * y; //myclass.add(x * x, y * y);
}
else if (operationType == "sub")
{
res = myclass.sub(x * x, y * y);
}
else if (operationType == "mul")
{
res = myclass.mul(x * x, y * y);
}
else if (operationType == "div")
{
res = myclass.div(x * x, y * y);
}
return(res);
}
