sample code

MySolution/ConsoleApp/Samples/CalculateSample.cs

@@ -0,0 +1,28 @@
+using System;
+
+namespace Samples
+{
+    class CalculateSample
+    {
+        private delegate int Calculate(int x, int y);
+
+        public static int Add(int x, int y)
+        {
+            return x + y;
+        }
+
+        public static int Subtract(int x, int y)
+        {
+            return x - y;
+        }
+
+        public static void Sample()
+        {
+            Calculate calc1 = Add;
+            Calculate calc2 = Subtract;
+
+            Console.WriteLine(calc1(10, 5));
+            Console.WriteLine(calc2(10, 5));
+        } 
+    }
+}