Talk About Network

Google


Register and Login
Nick
Password
Register create new account Sign up is FREE and you can post replies, new topics, bookmark posts and more!
Recover lost password


Programming > C++ Moderated > Re: query on dy...
Latest [ Topics | Posts ] Archive Post A New Topic Post a Reply
<< Topic < Post Post 2 of 5 Topic 9562 of 9775
Post > Topic >>

Re: query on dynamic cast

by Francis Glassborow <francis.glassborow@[EMAIL PROTECTED] > Apr 30, 2008 at 10:27 AM

Bharath wrote:
> Hello All,
> I was trying the below example for which I have a doubt. My doubt is
> that why is virtual needed for function "dummy" in class CBase which
> makes program compile?
> Secondly, As per my current understanding of dynamic cast, pba is a
> object of CDerived which RTTI knows and hence cast should be
> successful. Isn't it? Which concept I didn't understand here ?
That dynamic_cast only works for polymorphic types (i.e. ones that have
at least one virtual function in the base class)

-- 
      [ See http://www.gotw.ca/resources/clcm.htm
for info about ]
      [ comp.lang.c++.moderated.    First time posters: Do this! ]
 




 5 Posts in Topic:
query on dynamic cast
Bharath <tiromarch08@[  2008-04-30 03:56:04 
Re: query on dynamic cast
Francis Glassborow <fr  2008-04-30 10:27:43 
Re: query on dynamic cast
Tony Delroy <tony_in_d  2008-04-30 10:27:06 
Re: query on dynamic cast
Carl Barron <cbarron41  2008-04-30 10:27:35 
Re: query on dynamic cast
Thomas Maeder <maeder@  2008-04-30 10:43:22 

Post A Reply:
  Go here to Signup

AddThis Feed Button


About - Advertising - Contact - Frequently Asked Questions - Privacy Policy - Terms of Use - Signup

Contact
tan12V112 Tue Jul 8 23:28:03 CDT 2008.