public void RunDemo2()
{
IMachine c = new c_sharp_practice.Car();
IMachine b = new c_sharp_practice.Bike();
Start(c);
Stop(c);
Start(b);
Stop(b);
}
public void RunDemo3()
{
Car c = new c_sharp_practice.Car();
Bike b = new c_sharp_practice.Bike();
IMachine ic = (IMachine)c;
IMachine ib = (IMachine)b;
Start(ic);
Stop(ic);
Start(ib);
Stop(ib);
}
public void RunDemo1()
{
Car c = new c_sharp_practice.Car();
IMachine c2 = new c_sharp_practice.Car();
IMachine b = new c_sharp_practice.Bike();
c.Start();
// c.Stop(); 使用explicit interface 可以讓物件找不到
c2.Stop();
b.Start();
b.Stop();
}
public void RunDemo4()
{
Car c = new c_sharp_practice.Car();
c.color = "blue";
IMachine ic = (IMachine)c;
// 以下的例子說明這是by reference
System.Console.WriteLine("This Car's color is {0}\n", c.color);
System.Console.WriteLine("This ICar's color is {0}\n", ic.color);
ic.color = "red";
System.Console.WriteLine("(After change interface) This Car's color is {0}\n", c.color);
//ic.color = "red";
System.Console.WriteLine("(After change interface) This ICar's color is {0}\n", ic.color);
ic.color = "yellow";
System.Console.WriteLine("(After change class) This Car's color is {0}\n", c.color);
//ic.color = "red";
System.Console.WriteLine("(After change class) This ICar's color is {0}\n", ic.color);
}
