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| | hello everyone..i'm trying to create a simple window using Win API in visual studio 2010 using the code below #include <Windows.h> LPCTSTR g_lptstrClassName="myWindowClass"; LRESULT CALLBACK WndProc(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam) { switch(msg) { case WM_CLOSE: DestroyWindow(hwnd); break; case WM_DESTROY: PostQuitMessage(0); break; default: return DefWindowProc(hwnd,msg,wParam,lParam); } return 0; } int WINAPI … |
 | First of all I learnt how to do this from http://nehe.gamedev.net/tutorial/playing_avi_files_in_opengl/23001/ AVIStreamGetFrameOpen is always returning NULL. I checked to see if I could open the AVI file in windows media player and that worked, so that means it can't be a codec problem, right? I'm not too sure. All the … |
| | Hi guys Actually i have problem to convert my C++ program to C! Because C is too old and unusable, i tried to find and read so many sources, but finally i got some errors. Anyone can help me?! Thanks Regards C++ Files: Main.cpp #include <iostream> #include <cstring> #include <cstdlib> …  |
| | Hello. I am working on a windows form right now. My form is very full and i am using many textures. I have double buffered my form and made exteded classes for anything with a texture that has double buffering. Before i had double buffered everything my form was very … |
 | I'm using Eclipse c++ and when I run a program it says: launch failed. Binary not found. how can i fix this? |
| | I have this C++ network client program but it has an error. Here is the error: error C2664: 'wsprintfW' : cannot convert parameter 1 from 'char [128]' to 'LPWSTR' Here is the code: // Client program example #define WIN32_LEAN_AND_MEAN #include <winsock2.h> #include <stdlib.h> #include <stdio.h> #include <string.h> #define DEFAULT_PORT 2007 … |
| | Hi, I've just finished my c++ class (mechanical engineering) and as the final exam we have to create a simple program with graphical user interface and I need some help from you guys. T**he task is this**: we have to make a simple GUI that can take the diameters of … |
| | Hi ive made a code where a user makes a list and then displays it. he may also delete objects one by one. suppose i wished to clear all in one go. How would i go about doing this? thank you in advance. my code is below. all works except … |
| | for some reason iam not getting the right map. i think the problem is x += 130; y += 130; #include "DarkGDK.h" const int ROWS = 10; const int COLS = 13; int level[ROWS][COLS] = { {1,1,1,1,1,1,1,1,1,1,1,1,1}, {1,0,0,0,0,0,0,0,0,0,0,0,1}, {1,0,0,0,0,0,0,0,0,0,0,0,1}, {1,0,0,0,0,0,0,0,0,0,0,0,1}, {1,0,0,0,0,0,0,0,0,0,0,0,1}, {1,0,0,0,0,0,0,0,0,0,0,0,1}, {1,0,0,0,0,0,0,0,0,0,0,0,1}, {1,0,0,0,0,1,1,0,0,0,0,0,1}, {1,0,0,0,0,1,1,0,0,0,0,0,1}, {1,1,1,1,1,1,1,1,1,1,1,1,1} }; void DarkGDK(void) { … |
 | [Click Here](http://img196.imageshack.us/img196/3873/captureiv.jpg) for the snapshot of my problem. string operand; string opCode; struct MacroNameTable{ string macroName; int start; int end; int invocation; string operandCounter; }; struct MacroNameTable NAMTAB[NAMSize]; void addNAMTab(){ NAMcounter++; cout <<"check NAMcounter: ["<<NAMcounter<<"]"<<endl;//debug cout <<"check this operand: ["<<operand<<"]"<<endl;//debug cout <<"check this opCode: ["<<opCode<<"]"<<endl;//debug NAMTAB[NAMcounter].macroName=opCode; NAMTAB[NAMcounter].start=DEFcounter; NAMTAB[NAMcounter].operandCounter="AA"; } operand … |
| | Hello Guys, I was performing text file reading and writting operations and the job looked very simple as usual, yet it has not been solved successfully. We have got a simple text file **final.txt** which contains data like this:- **05/18/2012 02:12:66 8HRY hjhruehr737243 YES NO u34gewryge 698** i.e each value … |
| | hi, i just started learing 2d game programming. so far i can make my character go right, left and check for collisions. But i cant find out how to make him jump. any thing will be helpfull. i now i will have something like while (LoopGDK()) if(dbUpKey() == 1) { … |
| | Are there any libraries out there that allow me to play .avi files within my OpenGL application? |
| | #include <iostream> #include <vector> #include <iterator> using namespace std; class members { private: int Age; int Money; public: void setAge(int age) {Age=age;} void setMoney(int money) {Money=money;} int getAge()const {return Age;} int getMoney()const {return Money;} members(int age=0,int money=0): Age(age),Money(money) {} }; int main() { vector<members>v_members; for(size_t i=0,z=0;i<10;++i,++z) { if(z!=5) { v_members.push_back(members(50,70)); … |
| | so this program is really simply. my player(ch1,bmp) just move right and left. on my map there are wall and coin. if player hit a wall it should stop. but if it hit a coin, coin should get delete. problem iam having is that for some reason player(ch.bmp) is display … |
| | When i compile my code with visual studio 2010 express i get the following errors: 'Client.exe': Unloaded 'C:\Windows\SysWOW64\WSHTCPIP.DLL' And with the other program i get these: 'Server.exe': Loaded 'C:\Users\User\Desktop\Server\Debug\Server.exe', Symbols loaded. 'Server.exe': Loaded 'C:\Windows\SysWOW64\ntdll.dll', Cannot find or open the PDB file 'Server.exe': Loaded 'C:\Windows\SysWOW64\kernel32.dll', Cannot find or open the PDB … |
 | Hello, im a bit new to c++ and learning in my own, but im stuck to a problem. Im trying to do a practice converting string/c-string to int : Sum of Digits in a String Write a program that asks the user to enter a series of single digit numbers … |
| | #include<GL/glut.h> #include<Math.h> #include<iostream> using namespace std; int direction=0; void drawRectangle(GLfloat x1,GLfloat y1,GLfloat x2,GLfloat y2) { glBegin(GL_LINES); glVertex2f(x1,y1); glVertex2f(x1,y2); glVertex2f(x1,y1); glVertex2f(x2,y1); glVertex2f(x2,y1); glVertex2f(x2,y2); glVertex2f(x1,y2); glVertex2f(x2,y2); glEnd(); } void drawQuadrants() { glLoadIdentity(); glBegin(GL_LINES); glVertex2f(0.0,-1.0); glVertex2f(0.0,1.0); glVertex2f(-1.0,0.0); glVertex2f(1.0,0.0); glEnd(); } void display() { glPushMatrix(); glLoadIdentity(); glClearColor(0.0f,0.0f,0.0f,0.0f); glClear(GL_COLOR_BUFFER_BIT); glDisable(GL_DEPTH_TEST); glColor3f(1.0f,1.0f,1.0f); drawQuadrants(); glPopMatrix(); if(direction==1) { … |
| | Why do i have to include stdafx.h everytime in visual C++ 2010 express. Evertime i make a project i have to include that damn header, whats so special about it and how can i avoid including it and still compile my program. I have tried to leave it out but … |
| | Small part of my code: `GetWindowThreadProcessId(hWnd, &dwID);` `hProcess = OpenProcess(PROCESS_ALL_ACCESS, NULL, dwID);` `string value =" [_this] exec \"\\newfolder\\scripts\\start.sqf\"";` `WriteProcessMemory(hProcess, (LPVOID) 0x09BA3F95, (LPVOID) &value, sizeof(&value), NULL);` I am 100 % sure it has to do with my `value` being a `string` but I haven't found anything helpful elsewhere, even though I've … |
| | Hi! In my program MFC Doc/view one view constantly displaying what the camera is "seeing". After some event I want to show in the other window - dialog the image that has been in the view in the moment of event. I have code in Dialog window that succesfully draws … |
| | I have this error in atlimage.h line 1568 while trying to save picture. In release mode everything is "fine" but no new file appears. Here is the code: CClientDC dc(this); CDC dcMem; CBitmap m_bmpBack; GetClientRect(&rc); hBmp = LoadImage(NULL,name,IMAGE_BITMAP,0,0,LR_LOADFROMFILE); GetObject ( hBmp, sizeof(bm), &bm ); m_bmpBack.Attach(hBmp); dcMem.CreateCompatibleDC(&dc); hbmpOld = (HBITMAP)dcMem.SelectObject(m_bmpBack); //hToSave … |
| | I need to modify the following program to store person objects instead of integers. Include a function to input person data from the keyboard in the person class (similar to the readRecord() function). Also add a non class function to display the list contents. Include a separate search function (search … |
 | Hi im creating a linked list with these data types etc string firstname string surname int age would anyone give a simple instruction to put these in a new node as i have tried everything but still doesnt work so far i have done this nodeType *first,*newNode, *last; cout<<"Name: "; … |
| | Hi. I am wondering if a log file can be created in a header which is associated with a try-catch block. Below is my stripped down code for the log_header.h and log_test.cpp Here is log_header.h #include<fstream> #include<iostream> using namespace std; class thrower{ fstream myfile2; public: void errormessage(); }; void thrower::errormessage(){ …  |
| | What should I be using? Should I be using _T? or L? Or Neither? I know some functions end with the A for Ansi and some end in W for the Unicode version but I have no clue what I want to use. if I use _T would I have …  |
| | Hai i need help in C++.. this is my code. By using this code I have to alter it and do Evolutionary Text/ Poem. The poem is : **“Berburu ke padang datar, Dapat rusa berbelang kaki, Berguru kepalang ajar, Bagai bunga kembang tak jadi.” ** **There are 3 files.. Evo0.cpp(below …  |
| | we need to solve the following question. Write a program that asks the user for a word, and then prompts a user for a letter. Your program should count the number of times the letters entered appear in the word, and then continue prompting for new letters. The program should … |
| | Hi, I'm experimenting with A Star pathfinding. I'm having a problem with a function. I'm getting the next error after running it: > Unhandled exception at 0x76ec15de in A Star Pathfinding.exe: 0xC0000005: Access violation reading location 0x08e463a8. the function's code is: void addAdjacent(list* oList, list* cList, int tileMap[][40]) { node* … |
| | template<typename View> struct pixel_traits; template<> struct pixel_traits<gray8c_view_t> { typedef gray8c_pixel_t type; } Could I find something like this from gil?Thanks |
| | double a [3]={1.1,2.2,3.3}; cout<<a[0]<<" "<<a[1]<<" "<<a[2]<<endl; a[1]=a[2]; cout<<a[0]<<" "<<a[1]<<" "<<a[2]<<endl; ans to the above is 1.1 2.2 3.3 1.1 3.3 3.3 I am new to array. Please expalin why a[1]=a[2] gave me 3.3 3.3. thank you  |
 | Dear all, How to read a file with particural encoding like UTF -8 or UTF- 16. Do I need to use some special library?  |
| | Hi all, I have a rather basic C/C++ question about the priority of the ++ operator in regard to pointers. Note the following code (joining two strings): #define LENGTH 255 void mystrcat (char *base, char *add) { while(*base) ++base; while( *(base++) = *(add++) ); } int main() { char name[LENGTH]="Feline"; … |
| | int Finish()//outputs stored values to file { ofstream walletfile; walletfile.open("C:/accounts/wallet.acnt", ios::trunc); walletfile << wallet; walletfile.close(); ofstream accountfile; accountfile.open("C:/accounts/account.acnt", ios::trunc); accountfile << account; accountfile.close(); ofstream savingsfile; savingsfile.open("C:/accounts/savings.acnt", ios::trunc); savingsfile << savings; savingsfile.close(); return 0; } I am a brand new programmer, just learning from the web, i wrote this function as … |
| | Is it necessary to seperate the headers from the source? For example I don't know why but I love to do: //Foo.H class Foo { Foo(){} ~Foo(){} void Func() { //......... //......... } void Func2() { //........ //........ } }; Instead of doing: //Foo.H class Foo { Foo(); ~Foo(); void …  |
 | Hi, Can you tell me how can I make my application recognizes when the user presses a button on keyboard? *For example*: presses 'S', application prints "Hello.". I need this information for BorlandC++, but it would be useful even though you provide the same for VC++ :) *(I am not … |
| | Im making a program in wich I need to monitore (import) a variable (number from an other program window every time the variable changes. There are very much other information in this window but I only want this number that is occuring at a sertain position in the window. How … |
| | So I have been working on this dice roller for a while but am stuck. My form looks like this, a comboBox1 where you can pick numberOfSides on the dice, a textbox1 where you type the numberOfTimes it shall roll the selected dice, a button1 and a richTextBox1 to display … |
| | hello everyone. i am at such a stage where i need to make a decision. i have gained enough basic programming skills withn c++ and now i want to start with something a little professional. i dont like web programming and i would love to do system programming or game …  |
| | Hello, I'm fairly new to programming, and I'm not exactly sure how to do line-rect collision detection. If it helps, I'm using SFML 2. Can someone explain to me how I would go about coding line-rect collision detection? Thanks in advance. |
| | Currently I use: DWORD ThreadProc(LPVOID lpParameter) { void (* function)() = (void (*)())lpParameter; function(); return 0; } void Threading(HANDLE &hThread, DWORD &ThreadID, void* FunctionToPass) { hThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)ThreadProc, (void*)FunctionToPass, 0, &ThreadID); } And I want to call it like: Handle hThread; DWORD ThreadID; Threading(hThread, ThreadID, AnyFunctionHere); That way … |
 | Whenever I create some small tool in c++ dll for use with another language, a new user always has to download the microsoft redistributable package and install it. Is there anyway to add the resources needed from the redist, to my dll? How even do you know what resources it … |
| | Hi there, I'm trying to implement SoRayPickAction that will, when the mouse is clicked, select a particular node so then I can translate, rotate, etc. I have three nodes: desk, lamp, and frame (picture frame). However, I don't think that my code is at all right. I also have various … |
| | I have been messing around with making a windows application in Dev-C++ I wanted to make it in a single source file, rather than a project to see if it worked. It did, other than the fact that I got the windows app, AND a DOS prompt behind it. Is … |
 | Hi Its been about a year since I've been on this site, Back when I use to use XP for my operating system and Dev-C++ for my compiler. But Now I have WIndows 8 and I tried downloading Dev-C++ but I kept getting this message. "g++.exe has stopped working." So … |
 | I'M working my way through the book "C++ without fear by Brian Overland" and there are two small programs with to totally different types of type casting and the book fails to explain the difference, please help me understand. Thanks. The first one is on a while loop and the … |
| | I need help in deleting all the leaf nodes in BST void BinarySearchTree::removeLeaves() { removeleaf(root); } void BinarySearchTree::removeleaf(tree_node* p) { if(p != NULL) { if(p->left) removeleaf(p->left); if(p->right) removeleaf(p->right); delete p; } else return; } can someone check my code. pls |
 | I have this function: void read(){ int id; string desc; string title, type; cout<<"Movie's id: "; cin>>id; cout<<"Movie's title: "; cin>>title; cout<<"Movie's description: "; getline(cin, desc, '\n'); cout<<"Movie's type: "; cin>>type; cout<<"You have typed in: " <<id <<" " <<title <<" " <<desc <<" " <<type <<".\n"; } and my … |
| | I am developing a hardware troubleshooting expert system but i am facing challenges in getting pattern matching algorithims to match the solutions in my database. |
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