static void Main(string[] args)
{
//Approach 1
SampleDelegate del1, del2, del3, del4;
del1 = new SampleDelegate(SampleMethod1);
del2 = new SampleDelegate(SampleMethod2);
del3 = new SampleDelegate(SampleMethod3);
del4 = del1 + del2 + del3 - del2;
del4(); // Multicast delegate
//Approach 2
SampleDelegate del = new SampleDelegate(SampleMethod1); //Register
del += SampleMethod2; // Register
del += SampleMethod3; // Register
del -= SampleMethod2; // De register
del(); // Multicast delegate
SampleDelegate2 delInt = new SampleDelegate2(SampleMethod4);
delInt += SampleMethod5;
Console.WriteLine(delInt()); // Last invoked method's value will be shown
Console.Read();
}
static void Main(string[] args)
{
SampleDelegate del1, del2, del3, del4;
SampleDelegate del5 = new SampleDelegate(SampleMethodOne);
del5 += SampleMethodTwo;
del1 = new SampleDelegate(SampleMethodOne);
del2 = new SampleDelegate(SampleMethodTwo);
del3 = new SampleDelegate(SampleMethodThree);
del4 = del1 + del2 + del3;
del4();
del4 -= del2;
Console.WriteLine(Environment.NewLine);
del4();
Console.WriteLine(Environment.NewLine);
del5();
Console.WriteLine(Environment.NewLine);
SampleDelegate2 del6 = new SampleDelegate2(SampleMethodFour);
del6 += SampleMethodFive;
Console.WriteLine(del6());
int num = -1;
SampleMethodSix(out num);
Console.WriteLine(num);
}
static void Main()
{
// 匿名メソッドによるデリゲート
SampleDelegate2 d = delegate(int n)
{
return(-n);
}; // ;が必要
Console.WriteLine(d(3)); // 結果:-3
}
static void Main(string[] args)
{
// Approach 1:
SampleDelegate1 del1 = new SampleDelegate1(SampleMethodOne);
SampleDelegate1 del2 = new SampleDelegate1(SampleMethodTwo);
SampleDelegate1 del3 = new SampleDelegate1(SampleMethodThree);
// In this example del4 is a multicast delegate. You use +(plus)
// operator to chain delegates together and -(minus) operator to remove.
SampleDelegate1 del4 = del1 + del2 + del3 - del2;
del4();
// Approach 2:
// In this example del is a multicast delegate. You use += operator
// to chain delegates together and -= operator to remove.
SampleDelegate2 delAp2 = new SampleDelegate2(SampleMethodOne);
delAp2 += SampleMethodTwo;
delAp2 += SampleMethodThree;
delAp2 -= SampleMethodTwo;
del2();
// Multicast delegate with an int return type:
SampleDelegate3 delAp3 = new SampleDelegate3(SampleMethodOneInt);
delAp3 += SampleMethodTwoInt;
// The ValueReturnedByDelegate will be 2, returned by the SampleMethodTwo(),
// as it is the last method in the invocation list.
int ValueReturnedByDelegate = delAp3();
Console.WriteLine("Returned Value = {0}", ValueReturnedByDelegate);
// Multicast delegate with an integer output parameter:
SampleDelegate4 delAp4 = new SampleDelegate4(SampleMethodOne);
delAp4 += SampleMethodTwo;
// The ValueFromOutPutParameter will be 2, initialized by SampleMethodTwo(),
// as it is the last method in the invocation list.
int ValueFromOutPutParameter = -1;
delAp4(out ValueFromOutPutParameter);
Console.WriteLine("Returned Value = {0}", ValueFromOutPutParameter);
}
public static void Main()
{
/*
* SampleDelegate del = new SampleDelegate(SampleMethodOne);
* del();
*/
/*
* SampleDelegate del1, del2, del3, del4;
*
* del1 = new SampleDelegate(SampleMethodOne);
* del2 = new SampleDelegate(SampleMethodTwo);
* del3 = new SampleDelegate(SampleMethodThree);
*
* del4 = del1 + del2 + del3 - del2;
* del4();
*/
SampleDelegate del = new SampleDelegate(SampleMethodOne);
del += SampleMethodTwo;
//del += SampleMethodThree;
//del -= SampleMethodOne;
int DelegateReturnedValue = del();
Console.WriteLine("DelegateReturnedValue = {0}", DelegateReturnedValue);
SampleDelegate2 dell = new SampleDelegate2(SampleMethodOne);
dell += SampleMethodTwo;
int DelegateOutputParameterValue = -1;
dell(out DelegateOutputParameterValue);
Console.WriteLine("DelegateOutputParameterValue = {0}", DelegateOutputParameterValue);
}
