Home > Access Violation > Access Violation Reading Location

Access Violation Reading Location

Contents

Here is my code: DynamicStringArray.h #pragma once #include "stdafx.h" #include #include using namespace std; class DynamicStringArray { public: DynamicStringArray(); DynamicStringArray(DynamicStringArray &array); ~DynamicStringArray(); int getSize(); void displayContents(); void addEntry(const string asked 3 years ago viewed 13263 times active 3 years ago Related 0.Access violation reading location0Access Violation Reading Location3Access violation reading location *address*0Access violation reading location 0x000000040C++ Access violation reading location0Access Not the answer you're looking for? Otherwise this f->adj; is trying to do NULL->adj; Which causes access violation. http://arnoldtechweb.com/access-violation/access-violation-reading-location-in-c.html

maybe I missed something? –user2752676 Sep 6 '13 at 1:56 hmmm let me just edit my answer to make sure we are both on the same page. –user1567453 Sep This is Debug x64 mode in MSVS 2013. Not a member? I would recommend calling it in the constructor.

Access Violation Reading Location 0xc0000005

Solution 1 Accept Solution Reject Solution There is not enough information to answer this question with details. Permalink Posted 17-Dec-13 20:56pm Maciej Los242.2K Comments Baakki 18-Dec-13 6:45am I want to append a character to the edit box on button click.....Do u hav any idea ? Visit our UserVoice Page to submit and vote on ideas! share|improve this answer edited Dec 18 '15 at 4:45 answered Dec 18 '15 at 3:39 PaulMcKenzie 19.5k31023 2 The assignments in addEntry are all std::strings, so they're fine (implementing an

  1. How does changing metrics help to find solutions to a partial differential equation?
  2. As well I do not understand your words "memory reserved by another application".
  3. Just to be really sure lets make the size bigger than we expect and you can adjust later: const int SIZE1 = 20; const int SIZE2 = 20; Additionally, See your
  4. What do you call this alternating melodic pattern?
  5. Topic archived.

Linux questions C# questions ASP.NET questions fabric questions C++ questions discussionsforums All Message Boards... I recommend using std::vector. I would love to post the whole part of the code, but it will be a huge block(about 6000 lines).  You mentioned that it might be writting outside of the bounds Access Violation Reading Location C++ String This is probably what causes your error, fix that and tell me if something is still wrong.

It's uninitialized -- pointing in to hyperspace. The only difference is default unhandled exception handler code provided by Microsoft. If you've still got a problem then come back and ask again. He had no idea!

No matter what buffer you use, make sure you aren't writing outside its bounds. C++ Access Violation Writing Location See stackoverflow.com/questions/127386/… for full list of special memory pointer values. –Violet Giraffe Aug 1 '13 at 12:09 add a comment| 5 Answers 5 active oldest votes up vote 6 down vote Doing a read like this violates Operating-System protected memory, and more importantly means whatever you're pointing at isn't a valid pointer. CPallini 18-Dec-13 4:34am Do you mean: "I want to append characters to the edit box on button click" ?You know, you may manipulate the text using the '+' operator

Access Violation Reading Location Visual Studio

not the advanced assembly ... http://www.cplusplus.com/forum/beginner/38330 undo a gzip recursively Preserving Vertices Different tasks, same characters Are airlines obliged to notify ticket cancellations due to no-shows? Access Violation Reading Location 0xc0000005 more hot questions question feed lang-cpp about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Access Violation Reading Location C Permalink Posted 17-Dec-13 22:54pm Aescleal33.3K Add a Solution Add your solution here B I U S small BIG code Plain TextC++CSSC#Delphi / PascalF#HTML / XML / ASPJavaJavascriptObjective-CSQLSwiftPerlPHPPythonVBXMLvar < > &

CPallini 18-Dec-13 5:30am Yes:
CString text;
MyEdit.GetWindowText(text);
MyEdit.SetWindowText(text + L'A');
Baakki 18-Dec-13 6:02am Yeah that's correct..., but in order to update the cursor, setfocus and setsel his comment is here What would be your next deduction in this game of Minesweeper? no one has no idea WTF is the error/exception im having? :O Logged Laurent Administrator Hero Member Posts: 30766 Re: Access violation reading location « Reply #11 on: May 09, 2013, So when you are trying to access the array there is nothing there. Access Violation Reading Location 0x00000000

What's the male version of "hottie"? just loaded it into my compiler and it worked :) –user1567453 Sep 6 '13 at 2:28 | show 3 more comments up vote 2 down vote one holds 18 elements, but Top Back to original post Leave a Comment Please sign in to add a comment. this contact form Hopefully the search picks them up.

Unhandled exception at 0x00b02c76 in Programming Challenge 14.1.exe: 0xC0000005: Access violation reading location 0xcccccd80. Access Violation Reading Location 0x00000004 The fix is to remove this entire block of code in the copy constructor: if (dynamicArray != NULL) { size = 0; delete [] dynamicArray; dynamicArray = NULL; } Since the This is so frustrating.

Hard to say, since you haven't posted much relevant code. –juanchopanza Aug 1 '13 at 12:07 2 The value 0xcd is typically used by VC++ to mark uninitialized memory. –Some

Equation system with two unknown variables How to tell my parents I want to marry my girlfriend What in the world happened with my cauliflower? asked 3 years ago viewed 12199 times active 6 days ago Visit Chat Linked 158 In Visual Studio C++, what are the memory allocation representations? 0 Access violation reading location 0xCDCDCDD1 Remember that the object did not exist, so there is nothing preliminary to do. Access Violation Reading Location C# class sampleClass { ..... .....

if it doesn't return a concrete Vertex object, then that's your error. –Chris Apr 14 '13 at 2:16 I have posted the findvertex method my mistake –Alex Alex Apr Only the product's developers can increase it. - Wayne While XMALONYX certainly could stand to learn that asking a question in someone else's question is bad form, there's no excuse to How to prove that gcd(m+1, n+1) divides (mn-1) Custom ColorFunction for GeoGraphics plot with ReliefMap Use pretérito imperfecto or pretérito indefinido? navigate here Probably you mean something else by "another application" - but I'm unable to understand this. ;-)) Reply Greg says: January 18, 2005 at 7:48 am More on the topic at the

share|improve this answer edited Apr 14 '13 at 2:26 answered Apr 14 '13 at 2:20 user1357649 I have replaced the findvertex method accordingly, however, the error is still the The most probable explanation, without knowing more about your application, is that you've got a stack or heap corruption. Any other ideas? Member Posts: 342 Re: Access violation reading location « Reply #2 on: May 08, 2013, 05:14:02 pm » Hey,first you should always create an empty project with Visual Studios.

Problem solved! in a module, then you are required to have an interface to the subroutine. Oh btw: In your assignment operator, delete your moneyboxes instead of just setting them to NULL, else you will leak memory here. Table of random numbers from fitted Pearson Distribution   !

The third line attempts to grab the value of address 0, which is prohibited, and assign it to our variable “foo”. What is this blue thing in a photograph of a bright light? The assignment operator has the following signature, and you need to provide the implementation: DynamicStringArray& operator=(const DynamicStringArray& ); Without this function, assigning a DynamicStringArray to another DynamicStringArray will cause memory leaks int foo; int * ip = NULL; foo = *ip; //crash!

What's the call stack?heres the call stack:ntdll.dll!778115de()Unknown[Frames below may be incorrect and/or missing, no symbols loaded for ntdll.dll]>msvcp110.dll!std::basic_streambuf >::sputn(const char * _Ptr, __int64 _Count) Line 203C++sfml-graphics-2.dll!5399137c()Unknownsfml-graphics-2.dll!5399a041()Unknownmsvcr110.dll!_unlock(int locknum) Line 366Cmsvcr110.dll!_unlockexit() Line 801Cmsvcr110.dll!__dllonexit(int Make a suggestion Dev centers Windows Office Visual Studio Microsoft Azure More...