static void Main(string[] args)
{
var moviePlayer = new MoviePlayer
{
CurrentMovie = Movie.StarWars4
};
MoviePlayer.MovieFinishedHandler handler = EjectDisc;
// subscribe to an event
moviePlayer.MovieFinished += handler;
// unsubscribe
// moviePlayer.MovieFinished -= handler; // will make it so we don't eject disk
moviePlayer.MovieFinished += EjectDisc;
moviePlayer.MovieFinished += () =>
{
Console.WriteLine("handle event with block body lambda");
};
moviePlayer.MovieFinished += () => Console.WriteLine("expression body");
//Type is usually inferred from context so (string s) is unnecessary
moviePlayer.DiscEjected += (string s) => Console.WriteLine($"Ejecting {s}");
moviePlayer.Play();
Console.ReadLine(); // will wait for me to press enter before exiting
}
static void Main(String[] args)
{
var moviePlayer = new MoviePlayer
{
CurrentMovie = Movie.StarWars4
};
MoviePlayer.MovieFinishedHandler handler = EjectDisc;
//subscribe to an event
moviePlayer.MovieFinished += handler;
moviePlayer.MovieFinished += EjectDisc;
//unsubscribe
// moviePlayer.MovieFinished -= handler;
moviePlayer.MovieFinished += () =>
{
// can do anything inside a lambda
Console.WriteLine("handle event with block body");
};
// with expression body, you can only put one line in
moviePlayer.MovieFinished += () => Console.WriteLine("expression body");
// we can specify type on lamda function params
// but usually they are inferred from context like var
//moviePlayer.DiscEjected += (string s) => Console.WriteLine($"Ejecting {s}");
moviePlayer.DiscEjected += s => Console.WriteLine($"Ejecting {s}");
Console.WriteLine("Playing movie....");
moviePlayer.Play();
}
static void Main(string[] args)
{
var moviePlayer = new MoviePlayer
{
CurrentMovie = Movie.StarWars4
};
MoviePlayer.MovieFinishedHandler handler = EjectDisc;
// subscribe to an event
moviePlayer.MovieFinished += handler;
// unsubscribe to an event
//moviePlayer.MovieFinished -= handler;
moviePlayer.MovieFinished += EjectDisc;
moviePlayer.MovieFinished += () =>
{
Console.WriteLine("handle event with block-body lambda.");
};
// with expression body, you can only put one line in
moviePlayer.MovieFinished += () => Console.WriteLine("expression body");
moviePlayer.DiscEjected += s => Console.WriteLine($"Ejecting {s}");
Console.WriteLine("Playing movie...");
moviePlayer.Play();
Console.ReadLine();
}
static void Main(string[] args)
{
var moviePlayer = new MoviePlayer
{
CurrentMovie = Movie.StarWars4
};
MoviePlayer.MovieFinishedHandler handler = EjectDisk;
moviePlayer.MovieFinished += handler;
moviePlayer.DiskEjected += (s) => Console.WriteLine($"Ejecting {s}");
FuncAndAction();
Console.WriteLine("Playing Movie..");
moviePlayer.Play();
Console.ReadLine();
}
static void Main(string[] args)
{
var movie = "Frozen";
var moviePlayer = new MoviePlayer {
CurrentMovie = movie
};
MoviePlayer.MovieFinishedHandler handler = PrintMovieOver;
moviePlayer.MovieFinished += handler;
moviePlayer.PlayMovie();
}
static void Main(string[] args)
{
var movie = "Frozen";
var moviePlayer = new MoviePlayer {
CurrentMovie = movie
};
// this implicit conversion works because themethod has the right shape.
MoviePlayer.MovieFinishedHandler handler = PrintMovieOver;
moviePlayer.MovieFinished += handler;
MoviePlayer.PlayMovie();
}
static void Main(string[] args)
{
var moviePlayer = new MoviePlayer
{
CurrentMovie = Movie.StarWars4
};
MoviePlayer.MovieFinishedHandler handler = EjectDisc;
// subscribe to an event
moviePlayer.MovieFinished += handler;
// unsubscribe from an event
//moviePlayer.MovieFinished -= handler;
moviePlayer.MovieFinished += EjectDisc;
moviePlayer.MovieFinished += () =>
{
//for (int i = 0; i < length; i++)
//{
//}
//if ()
// if ()
Console.WriteLine("handle event with block-body lambda.");
};
// with expression body, you can only put one line in
moviePlayer.MovieFinished += () => Console.WriteLine("expression body");
// we can specify type on lambda function parameters...
// but usually, they are inferred from context (like "var" does).
//moviePlayer.DiscEjected += (string s) => Console.WriteLine($"Ejecting {s}");
moviePlayer.DiscEjected += s => Console.WriteLine($"Ejecting {s}");
FuncAndAction();
Console.WriteLine("Playing movie...");
moviePlayer.Play();
Console.ReadLine(); // wait for me to press enter before exiting
}
static void Main(string[] args)
{
var movie = "Frozen";
var moviePlayer = new MoviePlayer {
CurrentMovie = movie
};
// this implicit conversion works because the method has the right shape.
MoviePlayer.MovieFinishedHandler handler = PrintMovieOver; // referencing the method, not calling
//moviePlayer.MovieFinished += handler; // subscribe with +=
//moviePlayer.MovieFinished -= handler; // unsubscribe with -=
moviePlayer.MovieFinished += PrintWhichMovieOver;
moviePlayer.PlayMovie();
}
static void Main(string[] args)
{
var moviePlayer = new MoviePlayer()
{
CurrentMovie = Movie.StarWars5
};
MoviePlayer.MovieFinishedHandler handler = EjectDisk;
moviePlayer.MovieFinished += handler;
Console.WriteLine("playing movie");
moviePlayer.Play();
moviePlayer.MovieFinished += () =>
{
Console.WriteLine("Lambda expression");
};
}
public static void Main(string[] args)
{
var moviePlayer = new MoviePlayer
{
CurrentMovie = Movie.StarWars4
};
MoviePlayer.MovieFinishedHandler handler = EjectDisc;
// subscribe to an event
moviePlayer.MovieFinished += handler;
// unsubscribe to an event
// moviePlayer.MovieFinished -= handler;
moviePlayer.MovieFinished += () =>
{
Console.WriteLine("handle event with block-body lambda.");
};
moviePlayer.MovieFinished += () => Console.WriteLine("Expression body");
//we can specify type on lambda funtion parameters
// but usually they are inferred from context (like var does)
moviePlayer.DiscEjected += s => Console.WriteLine($"Ejecting {s}");
FuncAndAction();
Console.WriteLine("Playing movie...");
moviePlayer.Play();
// wait for me to press enter before exiting
Console.ReadLine();
}
