Hi guys, Who knows how to restore VS 2k5 file associations, I've clicked = Tools->General->"Restore File Associations" button but it doesn't work = at all. I know Repair the whole product could fix it, but it costs too = much time. So, if anyone could fix this issue please tell me asap. Any...more >>

What Method signature do you use in Managed C++ that will appear as the following in C#-- F1(out int Int1){} I have tried-- public void F1(int^ Int1){} Thanks. -- John Olbert ...more >>

Since currently we aren't allowed to have compiled XAML files embedded in C++ apps I'm using Markup::XamlReader::Load to dynamically load XAML files. This works perfectly fine with external files but I'd like to be able to load a file specified in a .resx resource. I've added my .xaml file ...more >>

Hi ! I have some strange problem and I would like to know if it is a bug or not : In my projects, in 2 different .cpp files, I use the same name to define a local structure: file1.cpp : typedef struct TOTO { CString s; GUID g; GUID g; }; file2.cpp : typedef struc...more >>

I have sources written on linux quite long ago. They are compiled good on current linux machine. but not in VS2005. The cause of problem is #include<getopt.h>. Is there any correspoinding files which can be used instead of getopt.h?? I tried xgetopt.h from codeproject http://www.codeproje...more >>

Hi, I have a C++ project in DOT NET. I am using the __FILE__ and __LINE__ to print the current file and line number. I do not want the file anem with the full path to be printed. So I used the #line directive. [code] #line 3 "11.cpp" [/code] Still the full file name along with the na...more >>

Hello, I am failing to create appropriate array in C++ to pass to a C# method. The method looks like public Foo(int[,] data) {..} in C#. When I try to call it with an array initialized in C++ as: int inputArray[][2] = {{0, 0}, {0, 1}, {1, 0}, {1, 1}}; it fails. So what is the proper way ...more >>

I'm attempting to use threads in .NET VC++ comming from a strict C background. Unfortunately I'm a bit rough. I've gotten a rather good knowlege of VC++ and have been converting projects from VB and C# to learn how to do them in VC++ .NET. Unfortunately I can't seem to understand something rat...more >>

I am converting a DLL project from VC7 to VC8. The project is a managed C++ DLL. The project uses a non managed C++ library compiled an linked in VC7 which uses the STL. I just about got everything to link with the exception of some STL link errors. Here is an example of one of the ...more >>

I've been using VS2005 for a mixed C# / C++ project. Somewhere along the line it seems that 'refactor' on the context menu disappeared for C++ projects. I do believe that this was working at one time. Is this a known bug?...more >>

Is there any way to define a class in such a way that it will allow instantiation of the class internal to my project but not allow it when the class is used via the resulting DLL of my project? In ActiveX this can be done with the noncreatable keyword. How can this be done in .Net? I tr...more >>

I created a .NET control in managed VC. I noticed that many similar controls are listed under the .Net tab of Add/Reference. How do I get my control in this list? I tried RegAsm which said it registered the control with no errors. But the control still does not show up on the tab. How d...more >>

I tried followinf but working fine fo int but how to do it for string using user custome message in c# [DllImport("User32.dll")] public static extern int FindWindow(string strClassName,string strWindowName); [DllImport("User32.dll")] public static extern Int32 SendMessage( int hWnd...more >>

Hi Often I just want to compile one c++ file in a project the check it for errors. Now I can right click on a *.cpp file and select "Compile" But is there a way and short cut to compile a file of any type. luke *.cc, *.h, *hpp Thanks Torben ...more >>

I have some old C code that uses winsock for network programming. It appears that VC++ 2005 (Express) does not include winsock support. Is there any way to use winsock functions? ...more >>

Hi! 2 questions: 1. Can I run Visual Studio C++ 2005 on NT 4.0 SP6a? 2. Can I create applications for NT 4.0 SP6a with Visual Studio C++ 2005? Thanks Klaus Aschenbrenner www.csharp.at http://www.sqljunkies.com/weblog/klaus.aschenbrenner ...more >>

Hi, I need to develop DLL that exposes API. It should be accessed by C#. Can any one please help me with that? any tutorial or link would be greate. TIA, ...more >>

Hello group, I am new to Visual C++ 8 and have a seemingly trivial problem using namespaces. The scenario: I have two classes, TestClass1 and TestClass2, in the namespace Test. I would like to create a reference to TestClass2 in TestClass1; but the compiler doesn't seem to recognize the names...more >>

Hi, I'm sure this is a question that comes up reasonably regularly, but I'm getting an error with the forum search function at the moment, and haven't found anything with a browse, so forgive me if this is repeating things!! Should also clarify that it's a VERY long time since I've done ...more >>

Microsoft Research are developing a functional programming language called F# for .NET and I've been playing with it recently. I've uploaded some demos here: http://www.ffconsultancy.com/dotnet/fsharp/ I'm keen to see what Windows developers think of this language as we're considering u...more >>

I'm converting a project from vs2003 to vs2005. The project links against a thirdparty library (pvrtc.lib, the PowerVR tc compression library), which apparently was built with some older version of the MS C++ compiler. It is a static library that has embedded libc.lib dependencies. In my pr...more >>

Hello all, This is a C++ linker question. I'm trying to build an obj file, say foo.obj so that it is pre-linked with its dependencies. However I do not want to generated an executable right away. Some people call this "partial linking". Note that packaging all dependent objs into a library ...more >>

I have an application written in C that does a lot of low level stuff. It does a lot of things like casting from void*'s. I want to create a new GUI for it in either C# or MC++, but reuse the existing code. The options I've considered so far: 1. Create a new MC++ GUI project and add the *...more >>

Hi, i'm new to this stuff so please excuse my lack of understanding!!! I've got an unmanaged class called Category and a coresponding managed class, also called Category (shown at the end of this message)... I can create and manipulate the class successfully in c#, but it crashes and i get the f...more >>

I need to create an Isolated Storage File for my assembly with machine level scope. I have used the 'GetMachineStoreForAssembly' method to do this and this creates the Isolated Storage File successfully but when I log onto another profile and run the code, it creates another Isolated Storage F...more >>

Hi all, I trying to port a WDM driver in VS.Net 2005. I had several difficulty, but it's one of them I still did not found any solutions. My code use the function _alloca to allocate space on the stack. When I compile my code with the include of <malloc.h> I have no problem but the difficul...more >>

The following code: public __gc class MyClass { public: void MyFunc (int __gc* number); }; Generates the following metadata when compiled in VC 2005 with the /clr:oldsyntax switch in a DLL project: public class MyClass { public MyClass(); public void MyFunc(...more >>

I'm trying to define an enum which will be used from unmanaged c++, C++/CLI managed c++ and from C#. I defined the following enum in a VS dll project set to be compiled with the /clr switch: public enum Days { Sunday }; After building the project, I added the created DLL as a ref...more >>

I am using VC .NET 2003. I created a simple unmanaged class in C++. The class is contained in a library. I then created a simple managed class wrapper that calls a function in the unmanaged class. I am getting a System.NullReferenceException when instantiating the unmanaged class. What...more >>

I am resurrecting this question (since it got bumped down by more recent posts). This is probably very simple - I need to add a version resource to a DLL project in MSVC++ 2005 Express in order to have version info, copyright, etc. when checking the DLL file properties from Windows Explorer. ...more >>

I am new to C++/CLI. I want to do a very simple thing. In other C++ applications, my forms have always been 'context free' in the sense that I pass them a temporary copy of the data for them to display and munge about. If OK is pressed, the client of the form does something with the temporary da...more >>

I am writing my first managed project and I am a bit confused in loading resource strings. In old unmanaged C++ if I had a resource string in my rc file called GX_ERR_DEVICE_ALREADY_OPEN. I would simply call: int LoadString(HINSTANCE hInstance, UINT uID, LPTSTR lpBuffer, i...more >>

Hi, can anyone tell me why I'm getting the following error: error C4980: '__property' : use of this keyword requires /clr:oldSyntax command line option & error C3813: a property declaration can only appear within the definition of a managed type Here is my code: #pragma once ...more >>

Hi, I've been trying to update some old C++ code and when i came across this: MyClass** ppOut I changed it to: MyManagedClass^% ppOut However - it doesn't work exactly the same because I am unable to pass nullptr for one of those parameters. How can I replicate pointers to pointe...more >>

This smells like a bug to me, since literals are substituted at compile time. I'm using VS2005 SP1 beta. // literal_unmanaged.cpp : main project file. ref class TheClass { literal int ExitCode = 0; }; #pragma unmanaged int main() { return TheClass::ExitCode; } 1...more >>

Hey there - hopefully last newbie question i will ask for a while! I want my application to work where you click a button - and it either: a) open a email application - insert the correct email address and add a subject + any attachments or b) just create an email and send it off with appro...more >>

I'm wriiting an MFC C++ application which uses a third party C# .NET API via a DLL. The app runs fine. If I add a new, empty C++ class, and compile/link it refuses to run, complaining about not being able to load an assembly. Removing the class from the project and doing a rebuild all gets ...more >>

can anybody have some ideas? ...more >>

Hi My application crashes all of a sudden giving me the following error. Can anybody help please? Exception code: C0000005 ACCESS_VIOLATION Fault address: 77FCE005 03:00002005 C:\WINNT\system32\ntdll.dll EAX:17020000 EBX:16400000 ECX:0000037F EDX:00000020 ESI:04120000 EDI:16FA0AD8 CS:EI...more >>

Hi, There is a strang bug appearing not-so-often in my application. I'm pasting the stack calls window contents when my app crashes. Following it is: msvcr80d.dll!fastcopy_I(void * dst=0x01e46130, void * src=0x00001280, int len=0) + 0x4b bytes C msvcr80d.dll!_VEC_memcpy(void * dst=0x01e46...more >>

Hi, does anyone know if it is possible to define the function body of a getter and setter in the .cpp file? I have tried this, but it doesn't work (Error 1 error C2039: 'get_VolumeDataList' : is not a member of 'VolumeInfo' d:\\VolumeInfo.cpp 7) VolumeInfo.h property List...more >>

I have a constructor with parameters. __gc public class GpsUsbDevice : public GpsDevice { public: GpsUsbDevice(String* DeviceName) { } } I want to be able to use the resulting .NET DLL in Visual Basic. But Visual Basic does not allow Dim New with parameters does it? I...more >>

Does anybody know how i can put a horizontal line into my forms? i need one to create a simple "below the line" to seperate my sumup textbox from the other input-textboxes (like you know it from common calculations). I tried to add a label with underlines ________, but doesn't look very pretty...more >>

Hi, I try to use a C# Dialog in a legacy MFC application. The problem seems to boil down to the following: from an unmanaged console application I can call any function of the managed bridge - if I try to do the same from my mfc application the application won't start 'SeaMain.exe': 'E:\WIN...more >>

I have seen DLL projects use .res files so that when you look at the properties of the DLL file from Windows Explorer you can see things like file version, description, copyright, etc. My question is how do you do this? (specifically, using MS C++ 2005 Express). I have found hints in MSDN ...more >>

I am writing code for creating DLL using vs2k5. My project is using Crypto++ lib project, which has a function (ComputeHash), and with the same name of function I have written in project with a little bit change as follows Crypto++ function: protected: unsigned int __thiscall CryptoPP::Defla...more >>

I'm looking for an online (distance) Visual C++ course that can be taken as transfer credit for a Master's degree in Electrical Engineering/Technology. The student is familiar with C and C+ and is currently doing embedded microprocessor system development. To get her employer to pay tuition ...more >>

I am trying to use unmanaged DLLs within managed code. My approach is to create a managed DLL with wrapper functions for my unmanaged functions. The unmanaged functions come from an unmanaged DLL. I can successfully build my managed DLL and use it from managed code. However, at runtime the c...more >>

I am trying to provide some security to text files, by adding a signature at the end of each text file. this signature needs to be generated by some kind of hashing algorithm. so while sending the file, i will sign the text file and at the receiving end, the text file will be checked to make s...more >>

This question is prob. extremely trivial but I can't seem to find out what is going on. I've been doing some basic work with Multithreading and Worker Threads and have determined I'd like to set up a minor project that has ThreadingPools. I can't seem to get it to compile whether I follow the ...more >>