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// Register w/ delegate as a lambda expression.

SimpleMath m = new SimpleMath();

m.SetMathHandler((msg, result) =>

{Console.WriteLine("Message: {0}, Result: {1}", msg, result);});

// This will execute the lambda expression.

m.Add(10, 10);

Console.ReadLine();

}

Here, we are leveraging type inference, as our two parameters have not been strongly typed for

simplicity. However, we could call SetMathHandler() as follows:

m.SetMathHandler((string msg, int result) =>

{Console.WriteLine("Message: {0}, Result: {1}", msg, result);});

Finally, if you are using a lambda expression to interact with a delegate taking no parameters at

all, you may do so by supplying a pair of empty parentheses as the parameter. Thus, assuming you

have defined the following delegate type:

public delegate string VerySimpleDelegate();

you could handle the result of the invocation as follows: