Hi I have thread that recives event notifications from a server. the thread is created as a managed thread. But when using Thread Abort the thread doesn't terminate. the thread is in an waitable state using WSAWaitForMultipleEvents. How can I kill this thread, i don't mind brute force. ...more >>

i understand __gc[] work different that native arrays. say i need a __gc[] member, and a get function, that returns a ref to it. i cant seem to make it happen. this code: ***********CODE*********** publc __gc class Foo{ public: Int32* get(){ return array; }; Int32 ...more >>

I have noticed that managed C++ is actually a very slow language. Will it be improved with Whidbey ? ...more >>

Very recently I have written a custom interop in Managed C++. We have a C# application that uses a COM DLL as a data provider. The COM data provider talks to other servers for retrieving real-time data. First of all, we used TlbImp to generate the metadata for the COM DLL and everything...more >>

--------- typedef struct {int i;} somestruct; class A { public: A() {} bool read(char* ptr, int len); // bool read2(char* ptr, int len); // 1. }; class B : public A { public: B() {} bool read(somestruct* s) {return read((char*)s, (int)sizeof(*s));} // bool read(so...more >>

Consider this code fragment: #include <iostream> template <class T> class Foo { public: T m_f; Foo(T f) : m_f(f) {} //Foo(const Foo & foo) : m_f(foo.m_f) {} static const Foo CONST; }; template <class T> const Foo<T> Foo<T>::CONST = Foo(T(1)); cl...more >>

How do you copy a String type into a native char buffer[256]? Dumb question, but not sure how to do it :( TGF ...more >>

hi all, i'm trying to make my mc++ code verifiable: i'm getting this error when running peverify on my dll: [IL]: Error: [HRESULT 0x80131417]. any ideas? thanks, g. ...more >>

I'm trying to use a statically linked C library. I've wrapped a .NET C++ DLL around this lib and trying to drive the wrapper from a .NET VB testbed. The whole build succeeds but I get the following error message at runtime: An unhandled exception of type 'System.TypeLoadException' occurred in ...more >>

Is there a way I acn simulate a command prompt window where i can execute any commands in my custom window?...more >>

Unlike the better-designed tree control, the listview doesn't seem to have any functionality for returning whether or not an item is actually visible. Does anyone know what hoops I must jump through in order to workaround this limitation in what is obviously a seriously lacking API? Was the listvi...more >>

Hi there I really hope someone had this problem before me. I have moved all our c++ projects from VC6 to VS.NET2003 and i have problems with nearly all dialogs containing either DateTimePicker or msflexgrid controls. In the case of the DataTimePicker i just replaced the old control with ...more >>

I have the Visual C++ 6.0, and where should I start? Is there any tutorial explaining Windows API functions, its' arguments, and so on? So that I will gain some base knowledge?...more >>

hello i want to make one project which develop in visual c++. for windows 2000 i have to develop one project in that i need it. so how i can access it and what main concept i have to take in mind because i have to provide functionalitys for all types of digital camera and other ...more >>

How can I draw 1x1 pixel dot?...more >>

I have this simple .cmd file which I want to run inside my other programs in VS.net (setup file). It does not run. Can somebody help me!!!!!!!! IF "%ver%"=="Microsoft Windows 2000" GOTO Win2k @REM IF "%ver%"=="Microsoft Windows XP" GOTO WinXP @mkdir temp1 GOTO Common :Win2K @REM...more >>

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Any thoughts on correcting this error? Here is the source: // PrjFileInfo.h : Declaration of the CPrjFileInfo #pragma once #include "resource.h" // main symbols #include "AdvShellX.h" #include <comdef.h> #include <shlobj.h> // CPrjFileInfo class ATL_NO_VTABLE CPrjFileInf...more >>

I need to call the function LoadImage which take a LPCTSTR argument to specify the path to the image to load. However, I need to create this path dynamically from user input by concatenating strings together. I'm using visual c++.net 2003. I've tried using the String class to put the image path ...more >>

First, is this the correct NG for discussing Managed C++ .NET development, or is some other NG more appropriate ? Second, if yes to above, is there any good information on developing .NET components and controls using Managed C++ anywhere ? The MSDN documentation topic "Managed Extensions for ...more >>

Hello, Please help me with calculation parallelization. I have 2 processors DELL PRECISION 530 computer and I'd like parallelize cycles like for(int i = 0; i < last; ++i) { a[i] = b[i] + c[i]; } I've read about '#pragma omp parallel for' instruction for the future version of VC++(V...more >>

Hi all, I have a project that was written in studio 6, and has now been converted/rebuilt in .NET 2003. Everything was going fine until I went to add a new dialog. I created the dialog, went to project->add class, chose mfc class, filled in the required fields, and pressed "Finish". All tha...more >>

Howdy, I have recently converted my project from VC++6 to VS.Net 2003 VS7.1, and now, It won't register. when running regsvr32 I get: LoadLibrary failed - the specified module could not be found and when running directly from the IDE I get: Project : error PRJ0019: A tool returned an err...more >>

I have a project that I'm trying to get to compile. I need to have the /Tc:wchar_t compile switch in order to use some libraries. I have included the following header files: #include <mapix.h> #include <mapiutil.h> #include <imessage.h> #include <mapitags.h> When I try to compile my p...more >>

Hi, I have a vc++6 project I migrated to vc++7 .NET. If I only migrate without using managed extension, link step takes 8 seconds. If I check "use manage extensions" in project properties, link step takes 4 minutes. I use incremental link. Why such a difference? Thanks steph...more >>

for (expression1; expression2; expression3) {statement} can you explain it to me... ...more >>

What books would you recommend to a seasoned C/C++ programmer wanting to venture into the .NET domain? And yes, I do want to stick to C++. -- Rubio...more >>

Alright - I've been using VS .NET for all of 3 hours now - so pardon the stupidity of my question. Can someone walk me through a simple hello world that outputs to console, in terms of which project, what settings to change etc. Or point me to a getting starting using VC++ guide that explains ...more >>

I have a case of a very simple template class w/ a template method. If I define a specialization of the method outside the body of the template class it does not compile. Here is a tiny example to illustrate. template<typename T> class C { public: template<int N> bool foo(void); ...more >>

Hello, When I attempt to set the icon property on a Windows form (.NET), when I go to compile, I get the following error.... e:\Projects\MyApp\AboutForm.h(108): error C2039: 'GetObjectA' : is not a member of 'System::Resources::ResourceManager' ....Does anyone know why this happens, a...more >>

Hi, I get a problem when ported my code from VS 2002 to VS 2003. Aparently, a typedef of a function with default parameters doesn't work anymore. I used to compile this code in VS 2002. Anyone already has this problem? Code: typedef int (*GIMP_SCUAIMPORTOBJEC...more >>

Hi NG, I have a problem with a component written in VC6.0 SP5. The componnet shares Data over pointer: (PVOID)pData = (PVOID)some data... The debug version works fine... But I have compiled the release version, and now it does not work ... I do the following: AddSomeData: pData =...more >>

Here is a very simple piece of code to repro this bug. template<typename T, int N> inline bool foo( void ) { return true; } template<typename T> inline bool foo<T, 1>( void ) { return false; } the partial specialization of foo fails to compile w/: error C2768: 'foo' : illegal u...more >>

Please give me suggestions on how to append a pdf file to another pdf file in C++. ...more >>

hello, how would it be possible to read the contents of an open excel worksheet in a C program. The worksheet consists of several rows of numeric data and a text field in each row. It has 500 rows with 8 columns each. There are ways how to open a worksheet in a C program but how read the a...more >>

Hi, I have a VC++ 6 project I migrated to vc 7++ DOTNET. * in a first step , I don't use Managed extension -> memory used is 16 Mo. * then I check "use managed extensions" in project properties -> memory used is 58 Mo. 16 Mo for a win32 exe and 58 Mo if I just add /clr option. Is it normal ...more >>

In the MSDN topic for MC++ "Restriction of Managed Types", I read that GC and value types "cannot contain pointers to other managed types ". That can't be right. Does it really mean to say that a __gc class can not have a pointer to an object of another __gc class ? I must be missing something in...more >>

I want my application to have an TabControl, which each pane is a View (CEditView for example). (ie. I want to attach views of CDocument into tabs of TabControl). Can any one help me ? Thank in advance ...more >>

Hi all - I'd like to do performance analysis of a non-distributed app written in unmanaged C++ code in Visual Studio .NET 2003 Enterprise. The advent of all the new .NET features has my head somewhat spinning, and I'd like to confirm the following: "There is no Visual Studio .NET 2003 perf...more >>

Hi All, I'm interested in the opinion of an expert or two on managed C++.net. I've been writing cross platform C++ (win/unix) for some ETL tools I use with clients. All the code is 'unmanaged' as I originally wrote it in VC++ 6. I've just completed my first managed code program. I also bou...more >>

In the Managed Extensions for C++ Reference, I read: "Applying __abstract to a class or structure does not imply that the result is a __gc class or __gc structure." However in the Managed Extensions for C++ Specification I immediately read: "The __abstract keyword can only be applied to a ...more >>

Hi, i am trying to use a test web service to see how it works. when i try to add a test web reference, i search for provider 'microsoft' and i get a number of possible webservices, one of which is a HelloWorld service. Service Description: This is a simple hello world service. ...more >>

Greetings, I'm seeing an odd problem while implementing a template user-specified cast operator for one of my objects which frequently gets static_cast<>ed around. The following test case demonstrates the problem, producing an Internal Compiler Error on the line marked. I'm fairly sure this ...more >>

Hi, is there a version of vc++ available which runs on windows 2003 (Itanium 64 bit )?. regards -sarab ...more >>

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I'm interfacing with a C api (via Interop) which uses the following typedef struct... typedef struct _columnflags { BYTE bNoUpdate : 1; BYTE bSetToNull : 1; BYTE bDefault : 1; } columnflags; FYI: For those unfamiliar with this C/C++ syntax, the ": 1" specifies a ...more >>