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  1. #1
    Join Date
    Feb 2009

    [RESOLVED]LNK2019 unresolved external symbol problem


    I'm new to c++ and have an issue with the LNK2019 error. I've done some googling and as of yet haven't found a solution to my problem. So here I am!!

    The exact error I receive is: error LNK2019: unresolved external symbol "public: void __thiscall ProductInfo::create_product(int)" (?create_product@ProductInfo@@QAEXH@Z) referenced in function _wmain OOSD_Assignment.obj OOSD_Assignment

    Essentially as soon as I add any datetypes to the function call's in the .h file it throws a wobbler, e.g. here: void create_product(int);

    and the code for you:

    ProductInfo.h ----->

    #include "stdafx.h"
    #include <iostream>
    //#include <windows.h>
    #include <string.h>
    using namespace std;

    class ProductInfo

    //std::string inp_model;

    void create_product(int);


    ProductInfo.cpp ------>

    //ProductInfo.cpp - Our class that holds information about the products

    #include "stdafx.h"
    #include <iostream>
    //#include <string.h>
    using namespace std;

    int price;

    void create_product(int input_price) {
    price = input_price;


    Project1.cpp -------->

    #include "stdafx.h"
    #include "ProductInfo.h"
    #include <iostream>
    #include <string.h>

    //int argc, _TCHAR* argv[]

    using namespace std;

    int _tmain()

    //std::string xx("hello");
    int xx = 100293;
    ProductInfo test;


    return 0;


    Last edited by skycrazy123; February 24th, 2009 at 10:11 AM. Reason: Problem Resolved

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