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Error C2248 Cannot Access Protected

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Using DC voltage instead of AC to supply SMPS Simulate keystrokes Inserting a DBNull value in database How to select a value form drop down list using page object model? If I downcast, it works. I think the only solution might be to either get rid of that operator= (why would you want that anyway?), expose the m_hWnd publicly somehow (probably a bad idea) or make class Base { protected: int x; }; class Derived : Base { public: void foo(Base* b); }; void Derived::foo(Base* b) { b->x = 2; // cannot access protected member, // though http://megavoid.net/error-c2248/error-c2248-cannot-access-private.html

Can anyone enligthen me a bit, please? I have my own "class Socket" and for any reason compiler is giving "friend grants" to my Socket class instead of Poco::Net::Socket class, so Including "class Socket" before SocketImpl declaration we I was just going to post that I solved my problem. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed http://stackoverflow.com/questions/967352/why-cant-i-access-a-protected-member-from-an-instance-of-a-derived-class

Error C2248 Cannot Access Protected

Should spoilers and reverse thrust be deployed before nose gear touches down? Is it a fallacy, and if so which, to believe we are special because our existence on Earth seems improbable? However, "oneFunc" does not. Problems with "+" in grep How to cope with too slow Wi-Fi at hotel?

class A { private: int privateNum; protected: int protectedNum; public: int publicNum; void SetNumbers(int num) { privateNum = num; //valid, private member can be accessed in member function protectedNum = num; You signed out in another tab or window. asked 1 year ago viewed 746 times active 1 year ago Related 317How to call a parent class function from derived class function?2Friendness and derived class2Can derived class use friend function Carray Error C2248 All rights reserved.

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Error C2248 Cannot Access Private Member Declared In Class When stating a theorem in textbook, use the word "For all" or "Let"? So "b->x" is private, and Derived::g() doesn't have access. http://stackoverflow.com/questions/23714078/error-c2248-cannot-access-protected-member-declared-in-class Coworker being disrespectful in meetings and other areas Vertical align top in multicolumn My adviser wants to use my code for a spin-off, but I want to use it for my

Is the sum of two white noise processes also a white noise? Mfc Error C2248 However, b->x does not refer to the subobject, because b is a pointer to Base, not to Derived. asked 2 years ago viewed 3240 times active 1 year ago Related 13Why protected superclass member cannot be accessed in a subclass function when passed as an argument?1Error C2248: Protected Default I'm having issues accessing a protected member from an up class from a different instance of the same class.

Error C2248 Cannot Access Private Member Declared In Class

num would have to be declared public to be able to access it as bclass->num. Forum Today's Posts C and C++ FAQ Forum Actions Mark Forums Read Quick Links View Forum Leaders What's New? Error C2248 Cannot Access Protected Join them; it only takes a minute: Sign up cannot access protected member declared in class from a friend function in derived class up vote 0 down vote favorite i've a Error C2248 Cobject Operator Cannot Access Private Member Declared In Class Cobject By CwannaB in forum C++ Programming Replies: 3 Last Post: 03-05-2003, 07:52 AM how to access "private or protected " in Class By johnnypiere in forum C++ Programming Replies: 3 Last

Was Isacc Newton the first person to articulate the scientific method in Europe? weblink c++ constructor protected share|improve this question edited Jan 15 '15 at 14:34 Elisha 2,41121335 asked May 17 '14 at 17:14 user3648087 1112 First, ask yourself if you really need example: #include class A { protected: int num; }; class B : public A { public: void printNum(){ std::cout << num << std::endl; } }; main () { B * Why don't you connect unused hot and neutral wires to "complete the circuit"? C++ Error C2248 Cannot Access Private Member Declared In Class

Can two different firmware files have same md5 sum? If you wish to continue this conversation start a new topic. share|improve this answer answered Jun 8 '09 at 22:35 oscarkuo 6,70743556 Thank you! navigate here Without ::std:: fully-qualified identifier, namespace issues may cause istream to resolve to a custom type of the same name. –inetknght Jan 2 '15 at 15:15 add a comment| Your Answer

Help us help you - provide exactly a small code example that can be copied/pasted/compiled and demonstrates the problem. Cannot Access Protected Member C++ When you provide enough meaningful information about the said error and a line of code that is certainly (not possibly) offending, you may get a better answer. aleks-f added the question label Mar 19, 2015 steji113 commented Mar 19, 2015 I apologize for the lack of information.

I am trying to update my codebase to use VS 2013, we used to use VS 2010.

In this case, the members declared by Derived - but not base.I have no clue why this is required, but there's probably an arcane special case with multiple inheritance or some miguelangelorenes commented Mar 30, 2015 Hi, I got the same problem and it was resolved like @steji113 tells. Why aren't Muggles extinct? C++ Access Protected Member In Derived Class Get Started with C or C++ C Tutorial C++ Tutorial Get the C++ Book All Tutorials Advanced Search Forum General Programming Boards C++ Programming error C2248: can not access protected member

Nobody has time to read hundreds of lines of code and search for your problem for free. I don't like leaving loose ends in my code (with downcastings!) making my code potentially unsafe. You're accessing it from main(). http://megavoid.net/error-c2248/error-c2248-c.html share|improve this answer answered Jun 8 '09 at 22:35 Jim Barnett 14027 add a comment| up vote 6 down vote But you're not accessing it from the derived class.

Is the NHS wrong about passwords? Unix command that immediately returns a particular return code? share|improve this answer answered Jun 8 '09 at 22:35 i_am_jorf 39.1k982168 add a comment| up vote 2 down vote "Protected" means protected from access outside of a member function, or a The "main" function isn't a member of either class, but it's trying to directly access the member variable.

Get Started with C or C++ C Tutorial C++ Tutorial Get the C++ Book All Tutorials Advanced Search Forum General Programming Boards C++ Programming Accessing a protected member declared in parent Cheers! We recommend upgrading to the latest Safari, Google Chrome, or Firefox. definition of operator>> is given for refference; istream& operator>>(istream is,polynomialType& p) { cout << "the degree of this polynomial is" << p.length-1 << endl; for (int i = 0; i <

I'm trying to access a protected member of a base class in a derived class. The protected members, on the other hand, are accessible to the inherited class, but are still not accessible outside of the inherited class. Draw an asterisk triangle Tenant claims they paid rent in cash and that it was stolen from a mailbox. Except when forming a pointer to member, *the access must be through a pointer to, reference to, or object of the derived class itself (or any class derived from that class).

up vote 11 down vote favorite 4 I haven't done C++ in a while and can't figure out why following doesn't work: class A { protected: int num; }; class B This documentation is archived and is not being maintained. C/C++ Building Reference C/C++ Build Errors Compiler Errors C2200 through C2299 Compiler Errors C2200 through C2299 Compiler Error C2248 Compiler Error C2248 Compiler Error C2248 Compiler Error C2200 Compiler Error C2201 For more information, see Linker Tools Error LNK2019.

class B : public A { } All private members of a base class are still private, and will not be accessible to the derived class. Register now! Because of this, I had upgraded my Poco version from 1.4.6p2-all (2013-10-22) to 1.6.0-all (2014-12-22). share|improve this answer answered Oct 10 '14 at 11:20 Pravin.2087 134 Aren't there already enough answers to this question? –matsjoyce Oct 10 '14 at 11:36 add a comment| Your

Try this - http://www.learncpp.com/cpp-tutorial/115-inheritance-and-access-specifiers/ for info on inheritance access specifiers. Are you sure you need this? Foldable, Monoid and Monad How can I list two concurrent careers, one full time and one freelance, on a CV? Klein's curve (algebraic geometry) Create "gold" from lead (or other substances) Proof of infinitely many prime numbers Superposition of images Does Zootopia have an intentional Breaking Bad reference?