Hi, I having created a simple WebService (in VS 2005) with just one WebMethod as follows : [WebMethod] public DataTable GetProducts() { DataTable objDataTable = null; // code for filling up the datatable return objDataTable; } Then, Adding the WebService as a Web Reference to...more >>

Hi, I am writing a Thread pooled P2P application, I have a constant flow of actions that produce a certain problem, though I cannot find it’s cause. I get “Free Heap block 356c00 modified at 356c34 after it was freed”, following is a list of actions I have done while trying to find the...more >>

Hi all, I want to iterate through a collection and at each item in the collection access a particular property. In C# i know how to do this easily, but with c++ I am a bit mystified Below is some sample code to give you an idea of what i am trying to do. SPGlobalAdmin * globAdmin = new SP...more >>

Hi, Is there any way to alter the location where this incremental link information file is placed? It is always placed in the same location as the generated .exe file, but I like to keep such 'intermediate' files separate from my output files. I've altered $IntDir, but this has no effect o...more >>

I'm trying to install the espress version on my sons computer for school. I chose a drive with plenty of space but the install fails because it is trying to shove 1.3 G into the 400 M free on drive C:. How do I get it to stop trying to use drive C:?...more >>

I have a C function that takes variable args, i.e. is of the form : foo( const char*, const int, ... ) ; I want to expose this function so that I can call it from VB(6). My questions are: 1). Is it possible to export a function with variable args in a DLL? 2). How would such a functon be ...more >>

I have an application which consists of several (approx 40 C/C++ dlls). I want to provide a C (Win32 Dll) API to these Dlls. However, I want to partion the API at a different level of abstraction. I need som advice on the best practise on doing this. the following may help explain the ...more >>

Is there a way to format a partition from within a C++ app?...more >>

Hi, Is there a way to force Visual C++ compiler (VS 2003) to give an error or notice in case of IF statment have "=" instead of "==" for example if(locationID = 10351) is passing, but I want an error fired Thanks Milan...more >>

Hello: Is there anybody how to create hidden folder in public folder or system? I have a any problem. I cannot create hidden folder in public or system folder. Is there anybody who knows the answer to create hidden folder ? B.R. Vic ...more >>

hi, i used VS2003 for my C++ apps and i recently downloaded the 2005 Express Edition of C++. I tried a simple console app to see what was different, and i noticed they deleted the old "system" namespace. like how you could do "system("pause");" and such...what happened to that? -- -iwdu15...more >>

Hi there, I have a need to call a java database library from C++ applications. Can anyone point me in the right direction on how to accomplish this? Thanks. ...more >>

Hi , I have a simple program thats open some file a.txt. When program starts it gets GetCurrentDirectory and finds / opens the a.txt file. But if i create a shortcut on desktop it couldnot find real working directory. How can i do this ? this is not working for shortcuts char buf[2001];...more >>

Hi all, Basically I need to create a managed wrapper for the class "A" below: class A : public CModule { public: A(B& bees); virtual ~A(); .....etc. (it's actually a very big class) } As you can see, the constructor above takes an input which is a reference to another unmanaged c...more >>

Platform:window 2000 professional, VC++6.0 +SP5 STLport: STLport 5.0.2 While test STLport following "STLport README for Microsoft Visual C++ compilers." of README.msvc(readme.txt), there is a error:NMAKE: fatal error U1077: 'cl': return code '0x2'stop. I can build STLport without any err...more >>

Hello. all: I want to inject a DLL of my custome hook dll to system serice SERVICES.EXE application as every OS restart? B.R. VIC ...more >>

I have a C++ project (assembly) and a C# project (client that uses the C++ assembly). These projects used to work when compiled under VS 2003 but when I upgraded my projects to VS 2005 I got the following error when I compile the C# client, --------------------------------------------------...more >>

Me and my colleagues have been working on a problem since yesterday and can’t seem to find a solution to it. It relates in a good measure to iterators and the way we’re using them in our project. I will first give you a little introduction to our main task. We had at our hands entire modul...more >>

I posted this recently in microsoft.public.vc.language and was redirected here. I also searched this ng and found some relavant threads. The most relavent I found was: http://groups.google.com/group/microsoft.public.dotnet.languages.vc/browse_frm/thread/dac4c07f8678cc0a/32919fdc1ee07313?q...more >>

Hello friends, I'm in charge of some pure VC++ code but we're adding new features using managed C++ (7.1). On two of three developer machines the execution of this code has become impossible recently -- we don't know what changed. Depending on my lib files list order I get different errors. ...more >>

Hi! After messing around for some time with Tcl/Tk and VBScript, we've finally reached the point where we need to put some speed into our applications. So, our typical application looks like this. We've got this huge CAD tool, called Mentor Expedition, which understands VBScript and JScript ...more >>

I need to know if there is a there is a way to find out which exe or dll called a certain dll. I need to find out the exe's name (xyz.exe). any links would be helpful. regards Abhishek ...more >>

Hi all! I have this clases: interface class i1 { void m(void); void m2(void); }; interface class i2 { //void m(void); void m3(void); }; ref class pepe:public i1,public i2 { virtual void m(void){;} virtual void m2(void){;} virtual void m3(void){;} };...more >>

Given value class X { public: // Not allowed: X():i(100000),s(10000) { } // Allowed void InitializeDefaults() { i = 100000; s = 10000; } private: int i; short s; } How can: 1) X x; x.InitializeDefaults(); be better semantically than 2) X x; for setting the default v...more >>

Why is there no C++/CLI reference in the VC++ docs for VS2005 ?...more >>

Hi, I have recently installed Visual Studio 2005 and although I'm starting to understand the 64 bit differences, I seem to have run into another problem. I would like to implement a simple "Save As.." dialog box, which back in the day I remember was extremely simple, but now I can't find how ...more >>

Since implement the assign operator for reference types eliminates the ability to assign a reference object to a reference variable of the same type or base class of that type, I assume that implementing the assign operator ( = ), to assign the value of a type from one object to another rath...more >>

/COMMENT has been removed from the linker that comes with VS2005, and use in source code of: #pragma comment(exestr, "this is a string") gives the message: warning LNK4224: /COMMENT is no longer supported; ignored and doesn't put the string in the exe file. Has anyone found a replac...more >>

Am looking for an ODBC SQLBulkOperations wrapper for VC++; in particular I need to perform bulk Insert operations. Anyone know where I can find this? Thanks ...more >>

Now that operator overloading allows to ref classes to be compared for equality using == syntax, how does one compare the actual ref pointers ( ^ ) for equality instead ? As an example: SomeRefObject ^ obj1(..initialized somehow); SomeRefObject ^ obj2(..initialized somehow); if (obj1 =...more >>

When I try to find out if a trivial event has handlers, by comparing the event to nullptr, I get compiler error C3918. So my natural question is how does one test a trivial event for handlers ?...more >>

hi, i create several new class in the my namespace, these class have the same name of functions that are be referenced each other. the vc 2005 complier spawns the c2660 error. source code: // gcChar.h file namespace gc{ class gcChar{ public: gcChar():ch_(0x0){}; gcChar(GCCHA...more >>

Hi, (using native/unmanaged vc++ 2k5).... How do I compare one object instance to another..... like in C# *is* operator is used... how is it done in native c++. Regards, Ab. ...more >>

Hi, I am new to Visual C++ (I have been using C# for the last 4 years) and would like to make the transition to C++. On my first project, I cannot get intellisense to work (either in a *.h file or a *.cpp file). I have tried troubleshooting using the methods recommended i.e. closing the pro...more >>

Our applications that use this file no longer compile due to new restrictions in the VS 2005 C__ compiler. c:\program files\microsoft speech sdk 5.1\include\sphelper.h(769) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int c:\program files\microso...more >>

For a ref object x, can I say "if (x)" rather than "if (x != nullptr)" to test that x is pointing to something ?...more >>

Hi all! Is that possible, linke in C#? How? I cannot find how do it. Thanks in advance. -- Leyendo: El vizconde de Braguelonne (Dumas) ------------------- Estadísticas BOINC: http://www.boincsynergy.com/images/stats/comb-3905.jpg ------------------- Las mujeres son como los perros, m...more >>

I have an application that does not behave too well when the user changes the Display Properties -> Appearance -> FontSize after clicking Display from the Control Panel to "Large Fonts" or "Extra Large Fonts" (WinXP defaults to "Normal"). Two questions: 1) In C++.NET (V1.1) -...more >>

Given the following from MSVC Help: // C3699.cpp// compile with: /clr /cusing namespace System;int main() { String * s; // C3699 // try the following line instead String ^ s2} So how do we handle such a major change with new C++ students when the current books show astericks ? Th...more >>

I have needed to cast a pointer with different types for get a value. I have try to use generic, but there are cast exception. For example the following method: generic<typename T> void XClass::GetValue(T gValue) { int iValue=34234234; void *vValue=&iValue; gValue=(T)*vValue; } ca...more >>

10000 Interview Questions And Answers(C,C++,JAVA,DOTNET,Oracle,SAP) I have listed over 10000 interview questions asked in interview/placement test papers for all companies between year 2000-2005 in my website http://www.geocities.com/allinterviewquestion/ So please have a look and make use of...more >>

Hi, I know IShellFolder::GetAttributesOf can get property of any sys folder. But how can I hide sys folder? which function can do it? -- Nothing impossible, Nothing sure...more >>

In Managed C++ in order to share the functionality of a class between its CLR code and native C++ code, in essence mixed mode programming for a class, I would design the __gc class so its corresponding __nogc C++ class would be a nested class of the __gc class. The __gc class would have a po...more >>

hi all, i'm using this code to convert a String ^ in char * String ^str = "string .net"; IntPtr p = System::Runtime::InteropServices::Marshal::StringToHGlobalAnsi(str); LPCSTR str2 = reinterpret_cast<LPCSTR>(static_cast<void *>(p)); System::Runtime::InteropServices::Marshal::FreeHGlobal(...more >>

I am going to develop a multi-threaded application that creates many instances of a calculator object. Consequently the DLL housing the Calculator is to be thread safe. Within the DLL i want some global singleton objects - these then become accessible from all sub-objects comprising the calcu...more >>

Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 13.10.3077 for 80x86 Copyright (C) Microsoft Corporation 1984-2002. All rights reserved. cl : Command line error D2022 : cannot open '' Have any body an idea? OS: Win2000 Pro Tool: Visual Studio .Net 2003 ...more >>

Hi all, I have a assignment of vc++.net and sybase to populate data an generate reports which is the best one? is OLEDB more efficient than ODBC? i think OLEDB itself is a layer o the ODBC..then how it can be? Thanks, RA -- ram_palavalas -------------------------------------------...more >>

I am running into a strange problem. I have perl script which reads the "APPDATA" environment variable, and does some work on that directory. When I a launch this script from Command Prompt, it works perfectly fine, however when the same script is launched from a DLL hosted in a particular ...more >>

Hi all I'm trying to use a third party library which is compiled with an older C++ compiler then the compiler in Visual Studio 2003. My project is a managed C++ library and I use the Visual Studio 2003. In the header files of the third party lib I can see that <fstream.h> is used and...more >>

After spending more than a day reducing a complicated compiler bug to a simple case I reported it to the MSDN Product Feedback Center as a bug just now. However this bug is completely stymying my development of a VC++ component. Does Microsoft still offer any free bug reporting cases for VS2...more >>