public void testString1()
{
var action = new MyStringDelegate(MyStringFoo);
var r = action("x");
AssertEquals(r, "Hello");
}
public NonGenericDelegate()
{
MyStringDelegate stringDelegate = StringTarget;
MyIntDelegate intDelegate = IntTarget;
stringDelegate("Recai");
intDelegate(58);
}
static void Main(string[] args)
{
//- Lav en Lambda Expression der tager imod en int og returnerer tallet fordoblet. Gem i en passende delegate, og kør.
MultiplyDelegate del1 = x => x * 2;
Console.WriteLine(del1(50));
// - Lav en Lambda Expression der tager imod 3 floats og returnerer summen. Gem i en passende delegate, og kør.
SumOfFloatsDelegate del2 = (x1, x2, x3) => x1 + x2 + x3;
Console.WriteLine(del2(12.1F, 1.5F, 2.7F));
//- Lav en Lambda Expression der ikke tager imod noget og returnerer "Hello World". Gem i en passende delegate og kør.
TextMakerDelegate del3 = () => "Hello World";
Console.WriteLine(del3());
//Udfordring
//addition
MyFloatDelegate floatDelAddition = (num1, num2) => num1 + num2;
Console.WriteLine(floatDelAddition(2.2f, 40f));
//substraction
MyFloatDelegate floatDelSubstration = (num1, num2) => num1 - num2;
Console.WriteLine(floatDelSubstration(99.1f, 30.3f));
//division
MyIntDelegate intDelDivision = (num1, num2) => num1 / num2;
Console.WriteLine(intDelDivision(10, 5));
//Multiply
MyStringDelegate stringDelMultiply = (text1, text2) =>
{
if (!int.TryParse(text1, out int int1))
{
throw new ArgumentException("Argument must be number.", "text1");
}
if (!int.TryParse(text2, out int int2))
{
throw new ArgumentException("Arguement must be a number.", "text2");
}
return((int1 * int2).ToString());
};
Console.WriteLine(stringDelMultiply("10", "20"));
}
static void Main(string[] args)
{
CustomerManager customerManager = new CustomerManager();
customerManager.SendMessage("Hello");
customerManager.ShowAlert();
MyDelegate myDelegate = customerManager.ShowAlert;
myDelegate();
MyStringDelegate myStringDelegate = customerManager.SendMessage;
myStringDelegate("Hello Enis Ceri");
Console.Read();
}
static void Main(string[] args)
{
MyStringDelegate myStringDelegate = new MyStringDelegate(MyStringMethod);
myStringDelegate += MyStringMethod2;
var result = myStringDelegate.Invoke(string.Empty);
Console.WriteLine(result);
Console.Read();
//C# 2.0 開始支援
//不再一定需要依賴於某一個執行個體方法，或是靜態方法。而可以直接透過delegate關鍵字宣告
MyStringDelegate mystringdelegate2 = delegate(string name)
{
return(name);
};
//JS
//$.post("ajax/test.html", function(data) {
// $(".result").html(data);
//});
//$.post("ajax/test.html",MyCallBackfunction(data));
}
static void Main(string[] args)
{
//- Lav en delegate som returnerer void og tager imod ingen parametre. Kald denne.
SomethingDelegate del1 = PrintHello;
del1();
//- Lav en anden delegate som returnerer float og tager imod ingen parametre. Kald denne.
Something2Delegate del2 = GetHourOfTheDay;
Console.WriteLine(del2());
//- Lav en anden delegate som returnerer void og tager imod 3 parametere. Kald denne.
AppendAndPrintInputsDelegate del3 = MasterAppender;
del3("Rip", "Rap", "Rup");
//Udfordring:
var math = new Math();
//int eksempel
MyIntDelegate intDel = math.Add;
Console.WriteLine(intDel(2, 3));
//float eksempel
MyFloatDelegate floatDelegate = math.Divide;
Console.WriteLine(floatDelegate(12, 2));
//string eksempel
MyStringDelegate stringDelegate = math.Multiply;
Console.WriteLine(stringDelegate("10", "10"));
}
public void Start()
{
List <string> MyStringList = new List <string>();
{
MyStringList.Add("string1");
MyStringList.Add("string2");
MyStringList.Add("string3");
MyStringList.Add("string4");
};
List <float> MyNumberlist = new List <float>();
{
MyNumberlist.Add(11);
MyNumberlist.Add(5);
MyNumberlist.Add(2);
MyNumberlist.Add(55);
};
MyStringDelegate concatinator = list =>
{
string output = "";
foreach (string word in list)
{
output += word + ",";
}
return(output);
};
Console.WriteLine(concatinator(MyStringList));
MyFloatDelegate numberAddition = list =>
{
float output = 0;
foreach (float number in list)
{
output += number;
}
return(output);
};
Console.WriteLine(numberAddition(MyNumberlist));
MyFloatDelegate numberTimes = list =>
{
float output = 1;
foreach (float number in list)
{
output *= number;
}
return(output);
};
Console.WriteLine(numberTimes(MyNumberlist));
}
public void testString1()
{
var action = new MyStringDelegate(MyStringFoo);
var r = action("x");
AssertEquals(r, "Hello");
}
