I beleave I have found a bug in the C++ compiler of Visual Studio 200 The correct output for the code below is "Color is: 99b2cce5" but if I turn on the Pentium 4 and above (/G7) options I get the follow result "Color is: 80000000" which is completly wrong I found this bug when upgrading from v...more >>

HRESULT QueryContextMenu( HMENU hmenu, UINT indexMenu, UINT idCmdFirst, UINT idCmdLast, UINT uFlags ); function gives me to small range of numbers !!! usually: idCmdFirst = 31209 idCmdLast = 31226 and I need at least 10 more (I have submenu(popmenu) ...). Thx, R...more >>

Hi, VC7.1 compiles the following, however, CW9, GCC 3.4.0, and Comeau reject it: #include <iostream> #include <typeinfo> class Test1 {}; class Test2 {}; class Test3 {}; template< typename T > struct Cont { T t; }; template< typename T > class ...more >>

Hi, Does MC++ support out/ref param semantics (as C# does)? The MC++ spec doesn't mention about this, so supposedly they are not supported? Thanks, Simon ...more >>

Hi, In MC++ spec 22 __identifier Keyword: The argument to __identifier shall be a C++ keyword. But the following compiles fine: int main() { int __identifier(num) = 123; return __identifier(num); } What am I missing? Thanks, Simon ...more >>

I am having trouble adding a control to ControlCollection in a class I have derived from GroupBox. Here is what I've got __gc class RowColumn : public System::Windows::Forms::GroupBo public RowColumn() ignoredcontrols = new System::Windows::Forms::Control::ControlCollection(this) vo...more >>

Hi, In C#, value types are derived from System.ValueType (and hence from System.Object). Does this hold true for MC++? __value class ValueClass {...}; Is ValueClass above derived from System::ValueType (and hence from System::Object)? Thanks, Simon ...more >>

Dear colleagues, i'm getting in troubles using one XML library with Visual Studio .NET and Xerces with Xalan. When i execute the code i get the next run time error: "Run-Time Check Failure #2 - Stack around the variable 'resolver' was corrupted." Looking on internet i've seen that th...more >>

Hi We are planning to upgrade a MFC Application (.Exe) to compile on Dot Net Framework. I have opened the application in Visual Studio 2003. I changed the compiler option to /clr. I have set following properties -Basic Run Time checks to Default -Smaller Type Check to N -Runtime Library -Mutl...more >>

I have a list control. On doubleclick of list item, a new dlg opens. Now, i want to handle 'OnEnter Key'also. i.e. When a list item is selected & Enter key is pressed, the new dlg shd open I tried implementing with NM_RETURN. But, the application does not catch this msg Also i tried with LVN_KEYD...more >>

Sounds simple enough - problem is there seems to be WAY too much documentation and can't seem to find the right one. I created a VC++ .NET Windows Form application, and I'm trying to add TAPI3 to it. I've gotten as far as adding a reference to the TAPI3.dll, which gets me all the type informa...more >>

Hi, i have worked with visual studio for a long time, and would like to have a project template that represents a custom project that is used a lot. (Visual studio .NET 2003) the goal is that if i select 'Add new project', visual studio generates a custom project with the desired files and ...more >>

Hi, it is nice that the remote debugging settings is separated from local debugging (I mean Remote command). But, unfortunately still one option is shared - the Working directory. Why? I certainly have different working directory for local and remote debugging. I have VC 7.1. Jan ...more >>

Hello, I think I found a bug in VC 7.1 concerning destruction of stack objects when linking a static, non managed, C++ library within a managed C++ application. Here is a repro case : 1) Build a static, unmanaged, library containing the following 2 files. Compiles with /MDd. // FILE BaseHo...more >>

hi I am trying to debug a function thats in a library module. I would like to do this from the calling executable debug session (visual studio). I am running visual C/C++ 6, and the function is in a user created library. I have the source and project for both Thanks rj...more >>

I would like to be able to change a property of a control without calling the event handler I have registered for it. For example, I would like a function like the following void SilentSet(CheckBox* checkbox, bool set) DisableCheckedChangedEvent(checkbox) checkbox->Checked = set EnableCh...more >>

I guess I'm going through initiation while I try to get into C++. I can't even compile a Hello World app. Here is the code... #include <iostream> using namespace std; void main() { cout << "hello"; } When I try to compile the file "HelloWorld.cpp", I get the following error. Hel...more >>

I am taking a c++ course. I have a simple program that just wont compile and I cant seem to figure out why. If I compile the class file without referencing it in the int main() it will compile but once I try to createon abject of the class type I get: Recursive error LNK2019: unresolved extern...more >>

I looked into CLR path, but couldn't find a compiler for C++ that comes with VS .NET 2003... I mean, C#, J#, VB .NET and even JScript compilers are in that folder. Why not C++? ...more >>

I compiled the same code as release version in VC++ 7.0 and it runs about 4X slower. My program is doing a mathematical search where time is important... am I forced to stick with the older version of the compiler?...more >>

Hi, I was wonder how to enable all MFC control available on "Windows Forms" tab for example ? i need to have access to control Panel and is disabled... where could i find help on internet for that ? thanks Maileen ...more >>

GetOpenFileName with flag OFN_ALLOWMULTISELECT will create error message if number of characters exceeds 29700 characters. I does not matter if you alocated enough space. It will use only first 32768 TCHARs. Error message is file not found, and partial file name is displayed. BTW what is t...more >>

Hi, i made an app with only one menuitem (on a mainmenu of course) ahd the problem is that it is placed on the left, but i want to place it on the right (it's a Help menu). Any ideas of how to place it on the right? I am using .NET 1.1. Ioannis Vranos ...more >>

The other day i tried my first bit of c++. I was writing a really small program,something like this: #include "stdafx.h" #using <mscorlib.dll> using namespace System; int _tmain() { Console::WriteLine("Hi"); return 0; } Which i know is simple but i still get this error ....more >>

I am a new to C++. I wrote the following code in my function. BSTR bstr1; System::String * order[,] = new String* [1000,2]; bstr1 = order[row1,1]->ToString(); When I try to build the function I get an Error saying I cannot convert from System::String to BSTR on the 3rd line. Is this pos...more >>

My copy of VS .NET is Microsoft Development Environment 2003, Version 7.1.3088 Microsoft .NET Framework 1.1, Version 1.1.4322 I have a project (C++ Class Library) I originally wrote in VS .NET 2002. It worked then, and when I convert it to VS .NET 2003 and recompile, it works now. The problem i...more >>

Hi: Any could help my find how to create the code for the following algorythm: In1: 10000000 In2: 00000000000 the algorythm runs and this is the output: 01A6DC6B07262F69 Any help will be appreciaterd ! Regards, Federico ...more >>

Hi all, I've made a component (COM) with Visual C++7 (VS.Net version) and I want to use it from Visual Basic 6.0 in another computer. I wanted to know which dll's do I have to distribute with my component to run in the other computer. I do not want to distribute .NET CLR cause it's not a .ne...more >>

Hi, In the managed C++ class below I get compile warning C4677 from VS2003. "signature of non-private function contains assembly private type", even though the managed enum is public. I have to drop the "enum" keyword from my member variable declaration to keep the compiler happy. Sho...more >>

I reference a .NET DLL to import some of my custom types. I can build that DLL in debug or release mode, but I usually keep the debug one built so I can debug it. When I want to link to the release version of the DLL, I find that I have to remove the reference from the project and point VS. NET t...more >>

Hi all, I'm using VB.Net to access a COM component developped in VC7. The problem is when I add an enum type in COM's public interface I get following error when calling the associated method with VB.NET: System.Runtime.InteropServices.COMException unhandled error What's the problem?!?! It ...more >>

I wrote DLL (no MFC at all). Here's some export functions. When I call DLL from test application everything OK. Then I added to DLL class (this class never called just compiled together without any error). Then I started test application and on load received error message "The procedure enntry ...more >>

I work with a multi-project workspace. One project (the "startup" project) has a "Configuration Type" of "Application (.exe)". The other 40 projects have a "Configuration Type" of "Static Library (.lib)". My question: Should the linker incrementally link when I make a change to one of the ....more >>

I'm a software engineer with 6 years of experience. I know what programming is about, but never had a chance to get into C++, and I'm picking it up now. I'm looking for a book for someone who already has programming background. I don't want to have to go through what is a class or Hello World typ...more >>

Can anyone help show me how to read records line by line from a text file into structures. I know how to read the whole file but can't do line by line....more >>

We have a large source base that we normally compile with /WX (treat all warnings as errors) and /W3. I would like to add the /Wp64 switch to this mix so that developers see the /Wp64 warnings but I don't want them to be treated as errors. Treating them as errors would be impossible at this ...more >>

Hi all, Recently I started migrating a gcc project to Visual Studio C++ (dotnet). The problem is that I cannot include any iostream header-file: #include <fstream> int main (int argc, char * argv) { printf("hello world"); return 0; } This will result in the following compilation e...more >>

Hi, Was wondering if anyone knows how to get an ISAPI dll to work= with managed =2ENET code? I have an exisiting ISAPI dll and I'd= like to get it working with some =2ENET managed code=2E I've enabled= the /clr option, integrated my managed code into the unmanaged= code and have my dll co...more >>

Hello everyone I'm encountering a R6002 Runtime error and several bugs when trying to generate a simple Managed C++ application with .NET 2003. The main problem seems to arise from linking with LIBCMT(D).DLL. (My requirement is that we can't link with MSVCRT(D).LIB.) Below are steps I've follow...more >>

I am using WindowsXP There are a set of commands that can be passed to an ATA drive to preform several Security and SMART functions DeviceIoControl seems similar but does not implement the required command set or give access to the required registers and the _outp() command of course does not wor...more >>

I wrote and compiled a dll without error. When running the app that calls my dll, I get "Missing required export functions at <filepath to my dll> The dll was created with Visual C++ .Net (Version 7). I left the various files that were automatically created for my project (my_dll.cpp, my_dll.d...more >>

Hi, I am a VC++ (6.0) programmer. Now, I got a project to use VC++.NET (2003) to write a web services. This should be a client-server program. The server side should be web service with database support (SQL Server or Access DB). the client should be a GUI program (managed C++)...more >>

Hi All, I am using Visual C++ .Net to create a windows forms application and I am getting the following errors when I do a MessageBox::Show in my Form1.cpp file: Form1.cpp(19): error C2653: 'MessageBoxA' : is not a class or namespace name Form1.cpp(19): error C2660: 'System::Windows::Forms:...more >>

Hello, I have the following string: const char plaintext[] = "Fourscore and seven years ago our \ fathers brought forth upon this continent \ a new nation, conceived in liberty, and dedicated \ to the proposition that all men are created equal."; when i step thr...more >>

I writing a simple console program but my input output on the screen is getting cluttered is there a simple method of clearing the screen, a MS function perhaps. Cheers nifsmith ...more >>

I'm very new to Windows development, all of my background is in Linux, so please bear with me. I am working on a class project and just for fun I'm building a frontend using VC++ 2003. The project uses the OpenSSL crypto libraries (specifically the BIGNUM functions). The offending code is: ...more >>

How can I solve Registering Component PRJ0019 error when compiling an ATL DLL in VisualC7? Thanks a lot, Xavi ...more >>

Hello, i trying to call mailto: command from my vc++ code .I tried to use CreateProcess(...) but all i mannaged to do is to open the outlook express window How can i open the new message window with a specific email address???? Thanks in advance nada shalab ...more >>

Hello I'm using the latest version of Visual Studio 2003 version 7.1.3088, .net framework 1.1.4322 and I've some problem compiling a project, it give me the error c:\build\main\.....\methodeInc.h(36) : fatal error C1001: INTERNAL COMPILER ERRO (compiler file 'msc1.cpp', line 2701) ...more >>

Hi all, I'm doing some bitwise operations in VB.NET, and I got some strange results. If an Int16 (Short) variable has the value &HAA (8 bits) and I do a 4-bit shift: var16 = var16 << 4 I got, correctly, the value &HAA0. But, if I try to do a 8-bit shift, I got &HFFFFAA00 !!!! I did ma...more >>