public int callDelegate2(TestDelegate2 del)
{
int a = 3;
int b = del(2, out a);
return(a + b);
}
static void Main(string[] args)
{
// Original delegate syntax required
// initialization with a named method.
TestDelegate testDelA = new TestDelegate(M);
// C# 2.0: A delegate can be initialized with
// inline code, called an "anonymous method." This
// method takes a string as an input parameter.
TestDelegate testDelB = delegate(string s) { Console.WriteLine(s); };
// C# 3.0. A delegate can be initialized with
// a lambda expression. The lambda also takes a string
// as an input parameter (x). The type of x is inferred by the compiler.
TestDelegate testDelC = (x) => { Console.WriteLine(x); };
// Invoke the delegates.
testDelA("This is TestDelA");
testDelB("This is TestDelB");
testDelC("This is TestDelC");
TestDelegate2 testDelD = x => x * x;
Console.WriteLine(testDelD(12));
Console.ReadKey();
}
private static void lambda()
{
// () => expression
TestDelegate2 lambdaDel = (x) => x * x;
Console.WriteLine(lambdaDel(5)); // 25
Func <int, bool> myFunc = (x) => x == 5;
Console.WriteLine(myFunc(4)); // false
}
public void TestAlternateConstructor()
{
var called = new AtomicBoolean(false);
var dele = new TestDelegate2(called);
adapter = new MessageListenerAdapter(null, dele, "MyPojoMessageMethod");
var bytes = EncodingUtils.GetDefaultEncoding().GetBytes("foo");
adapter.OnMessage(Message.Create(bytes, messageProperties), null);
Assert.True(called.Value);
}
public static void Excute()
{
TestDelegate2 td = Double;
TestDelegate f = D;
Console.WriteLine(td(4, 7));
f("44147");
anoy d = (m, n) => { return(m + n); };
Console.Write(d("g", "rr"));
}
static void Main(string[] args)
{
TestDelegate testDelegate = new TestDelegate(MethodOne);
testDelegate += MethodTwo;
testDelegate += MethodThree;
testDelegate -= MethodTwo;
testDelegate.Invoke("Isaac");
TestDelegate2 testDelegate2 = new TestDelegate2(MethodOne);
testDelegate2.Invoke("Mpho", 20);
}
public int callDelegate2(TestDelegate2 del)
{
int a = 3;
int b = del(2, out a);
return a + b;
}
private void TestFun2(TestDelegate2 <string, int> de)
{
de("test", 1000);
}
// Use this for initialization
void Start()
{
mDelegate1 = new TestDelegate1(StaticDelegateFun);
mDelegate2 = new TestDelegate2 <string, int>(StaticDelegateFun);
}
static void Main(string[] args)
{
// Generic Action
Action<string, ConsoleColor, int> actionTarget =
new Action<string, ConsoleColor, int>(ActionFuncDel.DisplayMessage);
actionTarget("yo action", ConsoleColor.Yellow, 5);
Func<int, int, int> funcTarget1 =
new Func<int, int, int>(ActionFuncDel.Add);
int ret = funcTarget1(70, 80);
Console.WriteLine("Func<int,int,int> ret = {0}", ret);
Func<int, int, string> funcTarget2 =
new Func<int, int, string>(ActionFuncDel.SumToString);
string strRet = funcTarget2(90, 300);
Console.WriteLine("Func<int,int,string> ret = {0}", strRet);
// Generic Delegate demo
GenDel.TestGenDelegate();
TestCar();
TestMath();
TestDelegate1 td1 = new TestDelegate1();
td1.TestNumberChanger();
TestDelegate2 td2 = new TestDelegate2();
int[] iArray = {3,5,1,3,8};
td2.TestCompareInt(TestDelegate2.SortType.Ascending, iArray);
td2.TestCompareInt(TestDelegate2.SortType.Descending, iArray);
}
static void Main(string[] args)
{
TestDelegate td = null;
td = new TestDelegate(Giants);
td += Jets;
td();
TestDelegate td2 = null;
td2 = new TestDelegate(Giants);
td2 += Jets;
Z(td2);
Team t = new Team();
t.m_Name = "Boys";
TestDelegate td3 = new TestDelegate(t.ShowName);
td3();
t.m_Name = "Girls";
td();
TestDelegate2 td4 = new TestDelegate2(Show);
td4("C# is awesome");
// no parameter version
Action ad1 = null;
ad1 = new Action(Giants);
ad1();
// one parameter version
Action <string> ad2 = null;
ad2 = new Action <string>(Show);
ad2("C# is awesome");
//Action<string, int> ad3 = null;
//ad3 = new Action<string, int>(ShowTwo);
Func <int> fd = null;
fd = new Func <int>(GetNum);
int num = fd(); // Calls GetNum method
Func <string, int> fd2 = null;
fd2 = new Func <string, int>(ConvertStringToNum);
int num2 = fd2("100");
Action <string> anonDel = delegate(string s)
{
Console.WriteLine(s);
};
Action <string> annonDel = s =>
{
Console.WriteLine(s);
};
annonDel("WOoow");
Func <int, int> f = y =>
{
return(y * y);
};
int sqNum;
sqNum = f(20);
Console.WriteLine(sqNum);
anonDel("Go mom!");
Secretary s = new Secretary();
Employee e1 = new Employee();
Employee e2 = new Employee();
e1.name = "Jane";
e2.name = "Bob";
s.CallEvent += e1.HandlePhoneCall;
s.CallEvent += e2.HandlePhoneCall;
s.FireCallEvent();
Console.WriteLine("Remove e1 as listener...");
s.CallEvent -= e1.HandlePhoneCall;
s.FireCallEvent();
void Giants()
{
Console.WriteLine("Go Giants");
}
void Jets()
{
Console.WriteLine("Go Jets");
}
void Cowboys()
{
Console.WriteLine("Go Cowboys");
}
Console.ReadLine();
// method that takes a delegate as a parameter
void Z(TestDelegate e)
{
// the delegate will run both giants and jets
e();
}
void Show(string displayString)
{
Console.WriteLine(displayString);
}
int GetNum()
{
return(Convert.ToInt32(Console.ReadLine()));
}
}
