Chained Delegate : Chained delegate : Delegate C# Examples

    
using  System;

public  delegate  double  ComputeDelegate(  double  x,double  y  );

public  class  MyClass
{
        public  MyClass(  )  {
        }

        public  double  Add(  double  x,  double  y  )  {
                double  result  =  x+y;
                Console.WriteLine(  "InstanceResults:  {0}",  result  );
                return  result;
        }

        public  static  double  Subtract(  double  x,double  y  )  {
                double  result  =  x  -  y;
                Console.WriteLine(  "StaticResult:  {0}",  result  );
                return  result;
        }

        private  double  factor;
}

public  class  MainClass
{
        static  void  Main()  {
                MyClass  proc1  =  new  MyClass(  );
                MyClass  proc2  =  new  MyClass(  );

                ComputeDelegate[]  delegates  =  new  ComputeDelegate[]  {
                        new  ComputeDelegate(  proc1.Add  ),
                        new  ComputeDelegate(  proc2.Add  ),
                        new  ComputeDelegate(  MyClass.Subtract  )
                };

                ComputeDelegate  chained  =  (ComputeDelegate)  Delegate.Combine(  delegates  );

                double  combined  =  chained(  4,  5  );
                
                Console.WriteLine(  "Output:  {0}",  combined  );
        }
}