Ympostor wrote:
Raja R Harinath escribió:
Son oSon = new Son();
Son.DontOverrideMe();
Typo here, the correct would be:
oSon.DontOverrideMe();
The result would be "unruly son".
OK. That's what the 'new' keyword does.
I don't want that, I want that all derived classes of Father return "I
am acting as a father" to the console, and I want the compiler to
complain if a derived class wants to hide or override the method.
There are two ways to respond.
1. You can't -- since C# has a special modifier 'new' that allows
child classes to "escape" the tyranny of parent classes :-)
2. Why do you care? If you're using DontOverrideMe polymorphically
through a 'GrandFather' or 'Father' reference, you'll get the right
behaviour even with a 'Son' object.
Thanks Hari, that clarifies all a bit more!
Anyway, I have more questions if you don't mind :)
1) How can I call DontOverrideMe by a the Father reference?
Father f = new Son ();
f.DonOverrideMe ();
3) How can I avoid declaring a GrandFather class (now I am using it
because otherwise I am unable to use the sealed keyword in a method).
Make the method non-virtual.
Robert
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