help me~~~...more >>

I'm trying to use boost::bind and boost::function inside managed code, but there appears to be some code generation problems. The following code compiles fine, but the function object throws an exception when you call it with f() saying the function is empty. If you un-comment the #pragma ...more >>

Many technological innovations rely upon User Interface Design to elevate their technical complexity to a usable product. Technology alone may not win user acceptance and subsequent marketability. The User Experience, or how the user experiences the end product, is the key to acceptance. And that...more >>

Hi there, I am trying to get a C++ application to compile in Visual Studio .NET 2003, all is compiling okay but I am coming across issues when the linker starts. It doesn't seem to be able to find the MMX extensions, is there anything I need to do to enable the linker to find these? ...more >>

I have a template class and a friend template function definition in the definition of the class. The problem is that the function's declaration has access to the class's template parameters but the function's body (definition) does not. I believe that the function's body must have the access acc...more >>

Hello I am trying to change the color of my CTreeCtrl item text by using the Custom Draw event handler. While I see the correct progression of messages while debugging, I never see the color of the text change. I have included my event handler code...can anyone see a problem? Is there some sett...more >>

Hi all, I am using Win2k, VS. NET 7.1 (MS development Environment 2003 7.1.3088) and I noticed that by building the exact same code twice the generated binaries are different (not much, but they are). To be sure I tried a simple application like void main(){} and 2 times rebuilding the project...more >>

Hello everyon I am using filestream and streamwriter to download and save a xml page from the internet The problem is that it has 3 bytes at the beginning of the file with garbage that i want to get rid off so i use a simple code like this FileStream* fs1 = new FileStream (input, FileMode::...more >>

Hi Keyords: .NET 2003 VC Win32 DLL __stdcall I want to mark a break point in my DLL Function. Already did: Projetc | <project name> properties | Configuration properties | Debugging | Action.Attach = Yes Debuggers.Debugger Type = Mixed I marked the break point but it does not break, t...more >>

What is the equivalent of Lock keyword in MC++...more >>

Hi, I am very grateful to all reading this message.I wish to know if anyone could help me: I´ve got a problem while creating an application using a static library. Problem: I created a pluggable factory class in one of my projects but the self registering mechanism depends on the ...more >>

Hi, I am having troubles to port C++ code to .NET. I want to write a set of managed wrapper classes to my old unmanaged code. Everything compiles fine but I get a strange link error: LINK : fatal error LNK1254: m=E9tadonn=E9es du symbole=20 '??$find@Viterator@?$vector@Viterator@?$_Tree@V?...more >>

A few questions regarding delete and garbage collection (gc). First, is something not ordinarily gc which is created via new in a garbage collected class also garbage collected? That is: __gc myGCClassA { public: myGCClassA() { m_String = new char[100] ; } ...more >>

When using another assembly, I prefer adding it to the References section of the project that uses it (thus adding the appropriate /FU option to the compiler command line) over an explicit #using directive in the source code. So far, this has worked without any problems. Recently, however, ...more >>

How can I get the backgroundcolor of a dialog, or generally a parent window ? I´ve tried "GetBkColor" on my own window, my parent window, the next parent window, the next and the next, but the return value always claims the background color would be white I´ve already used all kinds of System Co...more >>

Hi I am looking for any articles anyone may know of on developing a finite state machine in a gui application? Basically what I have is a fairly complex gui which needs to go through several (3 - 7?) states. Complex algorithms are running as their own separate code blocks operating on class-lev...more >>

I have a VC7 COM+ DLL that is a dependency of a .net web service I am trying to deploy. The regsvr32.exe failed to register the dll, so I ran Depends.exe (on the deployment machine) to see what the problem was. Depends displayed an error: Warning: At least one module has an unresolved import ...more >>

The following code perfectly compilable with Comeau online and gcc 3.2 produces quite an obscure error message when compiled with VC7.1. namespace N { struct A { template<class F> void fun(F f); }; } template<class F> void N::A::fun(F f) // (1) { f(*this); } void g(N::A&); ...more >>

The application path can be obtained as: Application::ExecutablePath But this is a String*. I need to convert this to a char* so it can be used by PlaySound(). How can I do this? Alternately, is there a way to obtain the application path directly as a char* ? Thanks in advance! : ) [=...more >>

Hi I've worked with VC6 and implemented all my builds on the commadline using the nmake tool with the make file. Now we are moving to dotnet and I need a tool similar to that that will enable me do all my compilations/builds on the command line. Problem is the dotnet IDE does not generate make fil...more >>

Hello I have created a DLL in Release Configuration. When I opened the DLL in hex editor I noticed that path string with full path, where my linked DLL is located, can be found inside DLL My question is: Is there a way (may be some option key) not to include any path information into a final DLL ...more >>

Hi all - Can anyone tell me what I should link in to get the following error sorted? Also - for future reference - any quick ways to resolve a linker reference from an include like #include <sys/stat.h> in order to beat these linker errors quickly? error LNK2001: unresolved external sy...more >>

As I recall VC++ NET has a feature that let's one build an install 'package' from a (managed) C++ project. This is important, as I found out the hard way that my application will run on some systems right off the CD ROM disc, on other machines it comes up with a 'program didn't initialize properl...more >>

Is there a pragma directive to turn buffer security (/GS) on or off. I see the runtime_checks and check_stack pragmas. But there doesn't appear to be anything comparable for buffer security. Thanks, George. ...more >>

Hello, I have a weird problem which just appeared and that is really something and a pain to debug. The problem is this : when I run it, it does all the init, up until the Application::Run(view) command, which I guess it executes. Then, the programs stops, without leaving any crash note, ...more >>

I am experimenting with managed code in C++. But shortly into my exploration, I've run into a Linker error which I cannot diagnose. (I have searched MS knowledgebase, MSDN newsgroups, and Google, with no luck.) Seems that the error somehow involves my usage of a destructor (like ~Dua...more >>

We have users who are having a problem reading projects written in VC++ 7.1. Specifically, here is their e-mail describing the problem Incompatibility - 7.0 will not open a solution built by 7.1. A time consuming work-around is for the person using 7.0 to open the project built in 7.1 as a visua...more >>

H I want to know how to handle interrupts (enable and disable) in VC++ 6.0 ? Are there some built-in functions that could solve the purpose.. Regard Ashutosh Dikshit...more >>

I've got a procedure that is responsible for performing the following operations on a richtextbox 1) determining what parts of the text to forma 2) formatting specific ranges of text a specific color I need to do this whenever the contents of the richtextbox change. The algorithm is quite fast a...more >>

1. If the declaration and definition of a member function of a template class is separated then while using the auto_complete,the function's information will not be shown. 2. If a member function of a template class is not called by other normal function then some of it's syntax error can't be f...more >>