internal void DoCaptureThing()
{
SomeAction action = MakeDelegate();
action();
action();
}
protected void Page_Load(object sender, EventArgs e)
{
SomeAction action = ShowMessage1;
action += ShowMessage2;
action += ShowMessage3;
action += ShowMessage4;
action += ShowMessage5;
action.Invoke("-");
Response.Write("************R1*************<br>");
//實體化一個委派物件,並將符合委派方法簽章的ShowMessage1方法放到委派物件中
SomeAction action2 = new SomeAction(ShowMessage1);
action2 += ShowMessage2;
action2 += ShowMessage3;
action2 += ShowMessage4;
action2 += ShowMessage5;
action2("-");
Response.Write("************R2*************<br>");
//不須宣告委派型別,Action就是一個委派型別
Action <string> action3 = ShowMessage5;
action3 += ShowMessage4;
action3 += ShowMessage3;
action3 += ShowMessage2;
action3 += ShowMessage1;
action3("-");
Response.Write("************R3*************<br>");
}
internal void SomeActionList()
{
SomeAction[] someActions = new SomeAction[10];
int x;
for (int i = 0; i < 10; ++i)
{
x = 0;
int y = 0;
someActions[i] = delegate
{
Console.WriteLine("{0}, {1}", x, y);
x++;
y++;
};
}
someActions[0](); // Prints 0, 0
someActions[0](); // Prints 1, 1
someActions[0](); // Prints 2, 2
someActions[1](); // Prints 3, 0
someActions[0](); // Prints 4, 3
x = 10;
someActions[2](); // Prints 10, 0
}
static void Main(string[] args)
{
SomeAction action1 = new SomeAction(ShowText);
action1 += ShowMessage;
SomeAction action2 = ShowText;
action1.Invoke("");
action2(" => Action2");
Console.ReadLine();
}
static void Main(string[] args)
{
var random = new Random(123456);
var i = 10;
IAction act = new SomeAction();
while (i-- > 0)
{
var n = random.Next();
dynamic curStep = (n % 2) == 0 ? (dynamic) new State1() : new State2();
UpdateState(act, curStep);
}
Console.ReadKey();
}
static void Main(string[] args)
{
SomeAction action1 = new SomeAction(Showtext);
action1.Invoke("好的");
action1("原來如此");
SomeAction action2 = ShowMessage;
action2("第二個");
action1("原來如此");
Console.ReadLine();
}
static void Main(string[] args)
{
// 標準寫法
SomeAction action1 = new SomeAction(ShowText);
action1 += ShowMessage;
// 也可以這樣寫
SomeAction action2 = ShowText;
// 標準寫法
action1.Invoke("第一個");
action2 += ShowMessage;
//也可以這樣寫
action2("第二個");
Console.ReadLine();
}
private static void UpdateState(SomeAction act, State2 s1)
{
Console.WriteLine("State2 SomeAction Updated.");
}
// CONSTRUCTORS
public Timer(int seconds, SomeAction action)
{
IntervalSeconds = seconds;
this.action = action;
}
// CONSTRUCTORS
public Timer(int seconds, SomeAction action)
{
IntervalSeconds = seconds;
this.action = action;
}
public TestObj(string name, SomeAction action, string value)
{
Name = name;
Action = action;
Value = value;
}
