Visual C++

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  • Topics
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  • Thread Sleeping and Hook Callbacks
    by Zyphon
    14 Replies
    Last post by Aleksandr Tokarev
      • Hey, I'm working on a Win32 application that doesn't have its own window, but listens to keys typed globally via a LLKeyboardHook and moves the mouse every couple of seconds. In order to keep the mouse from moving all the time, I have the thread sleep for a few seconds in between mouse moves, but during this time the hook callback doesn't execute, which makes sense because the thread is sle
  • How to unselect the text in CRichedit control that is selected using SetSel() method
    by Suneel VLN
    2 Replies
    Last post by Zinkyu
      • How to unselect the text in CRichedit control that is selected using SetSel() method
  • removing more than 1 data items from the set
    by ku19832001
    1 Replies
    Last post by Viorel.
      • Hi all, I have a set which contains a bunch of ip address. Now my application tries to connect to that ip address and if the connection fails then it removes that ip address from the set("stale ip")......Now how do i achieve this Here is the loop set<CString>::iterator itr = remotenodeip.begin(); while(itr != remotenodeip.end()) { CString ip_addr = *itr; CStr
  • Variable Problems at Runtime
    by DominicJudd
    6 Replies
    Last post by DominicJudd
      • I have a set of variable set up as follows POINT ptNewPosition, ptSpriteSize, ptBoundsSize; Is there any reason why ptSpriteSize would work correctly, while ptNewPosition and ptBoundsSize give CXX0017: Error: symbol "ptNewPosition" not found and CXX0017: Error: symbol "ptBoundsSize" not found Any help would be appreciated, especially as the code wo
  • Application can't create a new file while running in Debug Mode
    by Flo_Mumbai
    9 Replies
    Last post by Simple Samples
      • Helle, my program needs to create an Output file. This work when I create a Release File and then run the exe. But when I run my code in Debugging mode, it opens the console window but stops at the point, where the output file should be created and returns an error in form of fp=NULL. this is the concerned part of the code: fp=fopen(filename,"w"); if(fp==NULL) { p
  • String cannot use this type here without a top-level '^'
    by Philly
    2 Replies
    Last post by Philly
      • hi, im converting my c# project to c++ (managed) the c++ project is mixed with managed and unmanaged code. basicly when using the below i get this error: error C3149: 'System: tring' : cannot use this type here without a top-level '^' but when using String^ i get: Error 1 error LNK2020: unresolved token (06000001) CoolDrive.RS232::.ctor can anyone help me o
  • 4 threads created by CFileDialog::DoModal
    by VoiceOfExperience
    4 Replies
    Last post by VikasKumar
      • With VS2005/MFC in a dialog, I am using a file open common dialog to allow the user to select a file. The code for this is char fileTypes[]=_T( "My files (*.fil)|*.fil|All files|*.*||" ); CFileDialog dlg(TRUE,_T( "fil" ),_T( "*.fil" ),OFN_CREATEPROMPT|OFN_HIDEREADONLY|OFN_EXPLORER,fileTypes); dlg.m_ofn.lpstrTitle=title; dlg.m_ofn.lpstrInitialDir=start
  • Some novice questions....
    by _mAyDaY_
    4 Replies
    Last post by _mAyDaY_
      • Hey everyone.... , just started using MS Visual Studio recently for an application i'm making... and hit some problems, so any help would be very usefull :) (to Mods - if this is in a wrong thread, please move the post) first question is button related.... i have a button , which needs to be kind of ON/OFF style... (also have 2 procedures for those states - buttonClick1 & buttonCl
  • Upgrade to VS2005 Gives compile time error
    by ravi_nilesh
    5 Replies
    Last post by aao123
      • Hi All, I have the following code. // socket state structure struct _tagFTSocketState { DWORD dwFlags; DWORD dwState; DWORD dwUser; HANDLE hMutex; SOCKET socket; WSAOVERLAPPED Overlapped; WSABUF wsabuf; XFERCALLBACK cbfnCallback; _tagLargestFTPkt data; _tagXferInfo XferInfo; }; typedef _tagFTSocketState STFTSocketState; typedef std::vector<STFTSocketState *>
  • Need HELP please "C programing"
    by UGURMURAT
    4 Replies
    Last post by UGURMURAT
      • Sorry if i have posted it to wrong section any way iam trying create a program so it loops mostly i have created to basic programs one is if statement and the other is like using scanf("%d",&w) so the numbers are allowed to change... the problem is i want to combine these together but i get two errors that i just couldn't solve or maybe even if i do so i gusee it wont work as i hop
  • VS2005 professional 2005 and Vista
    by sam_pro
    2 Replies
    Last post by sam_pro
      • i compiled a lib with vs 2005 express on mswindows xp pro and i use it with a VS2005 professional on mswindows vista. VS2005 professional shows me an error "the lib was compiled with an older compiler". Do you know why
  • MSVC++ Optimizer Produces Incorrect Output
    by evouga
    1 Replies
    Last post by flymuck
      • I'm using MSVC 2005 with SP1. In my code I have the following class: Code Snippet class tune { public: char title[20]; //20 long start; long loop_start; long loop_end; //32 short loop; short volume; byte flags; // 37 void *data; // 41 byte format; tune(char _title[20], long _start, long _loop_start, long _loop_end, short _loop,short _volume, void *_data, b
  • DLL does not load in NT
    by Jason Callas
    2 Replies
    Last post by Simple Samples
      • Using Visual Studio 2005 I create a custom password filter library to be used on an NT 4.0 domain controller. (I know... I cry also when I think about the fact that we are still running NT 4.0...) Anyways. The dll loads when I test it on my XP system. I have confirmed this using SysInternals Process Explorer. But when I put it on my NT system it does not load. I see no errors in the Event Viewer.
  • "The system cannot execute the specified program"
    by ChrisNorval
    4 Replies
    Last post by richard.broadhurst
      • Hi, I'm currently having a problem with using Visual C++ express. I'm a student at Dundee University and we're starting C++ this year using Visual Studio, I grabbed C++ express off the microsoft site and apart from a few problems with the .exe file not creating (which I discovered how to fix) and the few missing features I had no problem with using both, however when I started my current assignmen
  • calculating the avredge score
    by Kateryna
    11 Replies
    Last post by Simple Samples
      • I need to right a program that reads the information from a file and calculate the average score for the soccer teams. I wanted to add the scores first and then devide them by their number. here is what I tried to do: #include <iostream> #include <fstream> #include <string> using namespace std; int main() { int score; int sum = 0; int count ={0}; fstream infile
  • Using multiple threading on multiple-CPU computer
    by Liu Lei
    11 Replies
    Last post by Liu Lei
      • hi, ppl I am currently using C++ (Visual Studio .Net 2003) for a software design. The objective is to distribute work among multiple CPU so as to improve efficiency. The code I deployed is as follows: Thread1 = new Thread( new ThreadStart( this , &Form1::FreezeProcess)); Thread2 = new Thread( new ThreadStart( this , &Form1::BlockinessProcess)); Thread3 = new
  • cool-looking .exe files (images)
    by Jerry584894
    5 Replies
    Last post by Jerry
      • How do I assign an image (any type) to an .exe file (you know, like warcraft symbol, Internet explorer, etc.)
  • typecasting using templates
    by Software Engineer
    1 Replies
    Last post by Software Engineer
      • Hi, The following is the sample code I am using to convert values from one datatype to another. In this case, converting from string to float value. Code Snippet #include "stdafx.h" #include <sstream> using namespace std; template < typename type1, typename type2> type1 user_defined_cast(type2 const & source) { type
  • VS .Net 2005, how to disable intellisense...
    by ChandraP
    28 Replies
    Last post by ChandraP
      • Hi I am really frustrated with the performance of VS .Net 2005. This is because I always see at the bottom "updating intellisense..." and it uses 60% to 70% of CPU. How to disable this updating of intellisense... Please this is making Visual studio unusable. Thanks Chandra
  • Md5 code changes from VS 2003 to VS 2005
    by glcjr
    5 Replies
    Last post by glcjr
      • A year or so ago I converted the c# code found at http://msdn2.microsoft.com/en-us/library/system.security.cryptography.md5.aspx into c++ code for Visual Studio 2003. But in Visual Studio 2005, it no longer works. Here's the code that works in 2003. static String* getMd5Hash(String *input) { // Create a new instance of the MD5CryptoServiceProvider object. MD5 *md5Hasher = MD5::Crea
  • build output missing in output window (vs 2005)
    by Marc.A.
    8 Replies
    Last post by Dennis Volodomanov
      • Hi, I've been tinkering around with this problem now for a while.. When building any C++ solution with my VS2005 Team Suite SP1 I get no output of the compilation process at my output window, only "Build started" and then something like: "========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========" but no error messages, the error doesn't appear in t
  • Marshall Multidimensional Array Using C++ Interop
    by Ben_N_Athens
    8 Replies
    Last post by Rick Edwards
      • I have code that needs to marshal a two dimensional array of doubles to unmanaged code. I have been working with an example from the MSDN that demonstrates marshalling a one-dimensional array. http://msdn2.microsoft.com/en-us/library/9b1fy41s(VS.80).aspx When I try to follow the example and pass a pointer to the two dimensional array, the unmanaged code only sees the first dimension. I think I c
  • visual c++ 2005 programs distribut
    by mirror2003
    1 Replies
    Last post by Bite Qiu - MSFT
      • Hi. I want distribut program (FORM) and i don't know what i must install on PC where i haven't visual studio. Thanks for help
  • Class Interrelationship
    by petpan24
    6 Replies
    Last post by einaros
      • I have the following problem in an application I'm writing I have two classes, WGMenu and WGSubMenu, where WGSubMenu has as baseclass WGMenu. WGMenu defines a member, hThis. WGMenu has a function which requires a WGSubMenu as argument, and inside the function it uses the hThis member of this class (which it got through the relationship with WGMenu). However, I have no idea how to get
  • cannot convert from 'const char [7]' to 'char'
    by prashant kumar sharma
    3 Replies
    Last post by einaros
      • I was just tryin to write a smalll code in c++ ad i was getting this error ,can any one tell me how to remove this error