Delegate with return values : delegate « delegate « C# / CSharp Tutorial

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C# / CSharp Tutorial » delegate » delegate 
9.1.4.Delegate with return values
using System;

delegate int FunctionToCall();

class MainClass
{
   static int IntValue = 5;

   public static int Add2() {
       IntValue += 2;
       return IntValue;
   }

   public static int Add3() {
      IntValue += 3;
      return IntValue;
   }

   static void Main()
   {
      FunctionToCall functionDelegate = Add2;
      functionDelegate += Add3;
      functionDelegate += Add2;

      Console.WriteLine("Value: {0}", functionDelegate());
   }
}
 
Value: 12
9.1.delegate
9.1.1.Define a delegate with no return value and no parameters
9.1.2.Add both static and non-static function to a delegate
9.1.3.Delegate with reference paramemters
9.1.4.Delegate with return values
9.1.5.Use a delegate to call object methods
9.1.6.delegate is a function pointer
9.1.7.A simple delegate example.
9.1.8.Construct a delegate using method group conversion
9.1.9.Delegates can refer to instance methods
9.1.10.Delegates to Instance Members
9.1.11.uses the invocation list to calculate a factorial
9.1.12.named-delegate invocation
9.1.13.Use delegate to reference two static functions
9.1.14.Declare a delegate and assigns a reference to either the WriteLine method or the ShowWindowsMessage method to its delegate instance.
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