static void Main(string[] args)
{
DoSomethingHandler myAction = DisplayMessage;
int test = 0;
myAction("Hello World");
myAction = delegate(string userText)
{
Console.WriteLine("Bruder: " + userText);
test++;
};
myAction("Hi " + test);
myAction("Bye " + test);
myAction = (string userText) =>
{
Console.WriteLine("Schwester");
};
myAction("");
myAction = x => Console.WriteLine("Ja geil");
myAction("");
}
static void Main(string[] args)
{
DoSomethingHandler myAction = DisplayMessage;
myAction("blub");
DoesMethodWork(myAction);
}
static void Main(string[] args)
{
DoSomethingHandler <string> myAction = DisplayMessage;
myAction("Hello Welt");
Action <string> myNewAction = DisplayMessage;
//anomyme Methode (c# 2.0) //esto es un metodo anónimo no tiene nombre solo asignture
//se puede usar solo en el main no desde otro lado
myAction = delegate(string userText)
{
Console.WriteLine("Ausgabe anoyme Methode:");
Console.WriteLine(userText);
};
myAction("Invoke anoyme Methode"); //esta es la forma de invocar este metodo desde aqui solamente
//anomyme Methode (c# 3.0)
myAction = (string userText) =>
{
Console.WriteLine("Ausgabe vereinfachte anonyme Methode:");
Console.WriteLine(userText);
};
myAction = userText =>
{
Console.WriteLine("Ausgabe vereinfachte anonyme Methode:");
Console.WriteLine(userText);
};
myAction = x => Console.WriteLine(x);
myAction("Test");
int[] zahlenReihe = new int[] { 5, 21, 8, 9, 22, 50, 1, 96 };
// zahlenReihe = zahlenReihe.Where(CheckSizeRToFive).ToArray();
zahlenReihe = zahlenReihe.Where(x => x > 10).ToArray();
zahlenReihe = zahlenReihe.Select(x => x * x).ToArray();
List <int> sortedElements = new List <int>();
foreach (var item in zahlenReihe)
{
if (item > 10)
{
sortedElements.Add(item);
}
}
zahlenReihe = sortedElements.ToArray();
//Func<int, bool> myFuntion = CheckSize; //int ist parameter bool recovert
}
public void TestDelegate()
{
DoSomethingHandler del1 = new DoSomethingHandler(DoSomethingForReal);
DoSomethingHandler del2 = new DoSomethingHandler(DoSomethingForPretend);
del1 += del2;
del1(2, "fish");
Assert.AreEqual("Something real done 2 times with fish\nSomething made up was done 2 times with fish\n", m_delMessage);
}
static bool DoesMethodWork(DoSomethingHandler displayMethod)
{
bool result = false;
try
{
displayMethod("Test");
result = true;
}
catch (Exception)
{
result = false;
}
return(result);
}
