c#.net中类的覆写(OverRide)
public class MyBase
public virtual string Meth1()
return "MyBase-Meth1";
}
...{
}
public virtual string Meth3()
...{
return "MyBase-Meth3";
}
...{
public override string Meth1()
return "MyDerived-Meth1";
}
// keyword:
public new string Meth2()
...{
return "MyDerived-Meth2";
// Because no keyword is specified in the following declaration
// a warning will be issued to alert the programmer that
public string Meth3()
return "MyDerived-Meth3";
}
public static void Main()
MyDerived mD = new MyDerived();
MyBase mB = (MyBase) mD;
System.Console.WriteLine(mB.Meth1());
System.Console.WriteLine(mB.Meth2());
}
}