static void Main(string[] args)
{
MessageDisplay m = new MessageDisplay();
m.DisplayMessage("Hello world");
dynamic d = new MessageDisplay();
d.Banana("hello world");
}
private static void BadDynamicCodeExample()
{
/* The class MessageDisplay contains a single method, called DisplayMessage.
* The variable m is set to refer to an instance of this class, and the program calls the DisplayMessage
* method on this reference. */
MessageDisplay m = new MessageDisplay();
m.DisplayMessage("Hello World");
/* The variable d is declared as dynamic and set to refer to a MessageDisplay instance. The program
* then contains a call of a method called Banana on the variable d. Normally this would not compile,
* because the compiler can see that this method is not present in the class. Because the variable d
* has been declared as dynamic, however, the program will compile with no errors, but when the program
* is executed and exception will be generated when the Banana method is called. */
dynamic d = new MessageDisplay();
d.Banana("Hello World");
}
