// in Main we use the higher-order function
public static void Main()
{
// instantiate the storage class
var ms = new MediaStorage();
// instantiate the player classes
var aPlayer = new AudioPlayer();
var vPlayer = new VideoPlayer();
// instantiate the delegate
var aDelegate = new MediaStorage.PlayMedia(aPlayer.PlayAudioFile);
var vDelegate = new MediaStorage.PlayMedia(vPlayer.PlayVideoFile);
// provide instances to the method using the delegate
ms.ReportResult(aDelegate);
ms.ReportResult(vDelegate);
}
public void Run()
{
MediaStorage myMediaStorage = new MediaStorage();
// instantiate the two media players
AudioPlayer myAudioPlayer = new AudioPlayer();
// instantiate the delegates
MediaStorage.PlayMedia audioPlayerDelegate = new
MediaStorage.PlayMedia(myAudioPlayer.PlayAudioFile);
// call the delegates
myMediaStorage.ReportResult(audioPlayerDelegate);
}