Dear all, were can I get an info about a Run-Time library to to use. What are advantages of using Multithreaded or Multithreaded dll. Thanks a lot, Boni ...more >>

Hey guys, I got IMAPI to burn, but I would like to set up this progress events so I can make a progress bar to go along with the burn process. Right now I'm not exactly sure how to get this to work. I'm assuming I need to implement the IDiscMasterProgressEvents interface, so I created my own cl...more >>

Hello, I am working on cleaning up some code that I inherited and was wondering if there is anything wrong with my function. I am fairly proficient in standard C++ but I am pretty new to the .NET managed C++. It seems to work fine, but everyone knows that programs with errors can still appear t...more >>

Hi, Is it possible to write a code in C++ to associate a given file extension with our application? So that if user double click on the file on Windows Explorer, our application will be launched. Thanks Tran Hong Quang...more >>

I've been told that value structs can have default constructors (I'm using VS C++.NET 2005 PRO using clr:/pure syntax). But the following code generates the following error: value struct ValueStruct { double x ; double y ; ValueStruct() { x = y = double(0) ; } // error * } ; *...more >>

I have an unmanaged MFC application linked to a mixed mode MFC extension dll (.NET 2.0/VS 2005) . I followed all the instructions correctly and ensured that no managed code gets called from the DllMain. When I run the application it just crashes. Unhandled exception at 0x013f288e in ImpEDC....more >>

I need to create many labels to fit on a windows forms and instead of using the designer to create a large number of text labels I just wanted to make an array of them and then loop through them to set their properties. when trying this code Label labelArray[,] = new Label[8,8]; I get an ...more >>

I have two unmanaged pointer in a managed form class: IDirect3D9* d3dObject; IDirect3DDevice9* d3dDevice; In a member function of the form, I call: d3dObject->CreateDevice( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, (HWND)hwnd, D3DCREATE_HARDWARE_VERTEXPROCESSING, d3dPP, &d3dDevice)); I...more >>

Hi, I have a class which inherits from a template (vector). This class is defined in the header file as below. Output.h class _DLL_RESPONSE_SERVER Output : public vector<SingleOutput> { public: Output(); const string& getActualText() const {return m_actualText;} void insert(c...more >>

Hi guys!! I have a very big project that originally was made in C, then it was migrated from C to VC++ 6.0. Now my boss is asking me to use the new VC++ .Net (2005) to change the interface of controls and windows in the project. But i don't know if this is possible, because i can open th...more >>

Hello Everyone, I've just converted my code from the old managed c++ to the new c++ CLI syntax. Some of my inherited event code is no longer compiling. Here's part of my code... c# public delegate void VEPointPickedEventHandler( float x, float y, float z ); public abstract class EventB...more >>

Hello, What is helper function concept? I am new to C. Thanks Tran Hong Quang...more >>

Hi all, i'm doing a quite long treatment in a function, and i'm showing the progress of the treatment with a progressbar. The code is something like this : for each(entry in entries) // about 100 entries { TreatmentForOneOr2Secs(); this->progressBar1->PerformStep(); } ...more >>

Dear all, I have a global variable in the native code. I was assuming that I create a IJW CLI wrapper class and create an instance of this class in other appdomain, then the global variables will not be shared between to. But it is apparently not the case. Any ideas how I could separate the g...more >>

Hi group, when using unmanaged class with my managed app, I've seen errors when including (for example) <windows.h>. One of theses erros is : IDataObject : ambiguous symbol error I've seen somewhere that to avoid this error, i've to remove all "using namespace XXXXX" from .h, and m...more >>

Dear all, Following situation class A{ static Arraylist B; } void func(){ A::B=... } I would like to allow to use B inside of this assembly but not outside. If I declare B as private I am not able to use it inside of func(), if public then it also could be used outside. Is it possibl...more >>

Hello, I created a Win64 build environment by copying from a Win32 environment, and modifying the Win32 macro to the Win64 macro. After that, the properties window does not load anymore and building or rebuilding does not work anymore. On one computer, which is a slightly newer install ...more >>

Perhaps many have heard of the famous C3767 "Candidate functions...." I found that by not using a native type (struct ptr) in a constructor signature, the problem went away. The problem only occurred when calling one assembly from another with both assemblies using /clr. When using the con...more >>

Hello people, We have a large application (about 5000 source files) consisting of = multiple executables, DLLs and COM components written in C++. We develop and build it in Visual Studio 2003. I'm in charge of evaluating whether we want to migrate it to VS2005 (the = previous migration from...more >>

In C# the following code generates a compiler error ("A constant value is expected"): public void Test(string value) { switch (value) { case SimpleEnum.One.ToString(): MessageBox.Show("Test 1"); break; case SimpleEnum.Two.ToString(): MessageBox.Show("Test 2"); break; case SimpleEnum.Th...more >>

Hello all, I have some unmanaged code that requires an HWND to a managed control (e.g., a picture box). I try: mRenderWnd->Handle; Of course, this returns an IntPtr. If I try to case, I get the error: Cannot convert a managed type to an unmanaged type What do I need to do? The wh...more >>

I am getting the error: error C4368: cannot define 'd3dPP' as a member of managed 'FormEx::Form1': mixed types are not supported I am trying to mixed managed and unmanaged code (d3dPP is unmanaged, where the form is managed). Can I not have an unmanaged instance in a managed class? ...more >>

Dear all, I created a mixed mode exe assembly. Now I try to load a class from this assembly within the VB project. I get following error: Unhandled Exception: System.IO.FileLoadException: Attempt to load an unverifiabl e executable with fixups (IAT with more than 2 sections or a TLS section...more >>

I have a general question about MSBuild (which I know little about so far) and I hope this is the right newsgroup. I can read the reference documentation about MSBuild, but it's not really telling me what I want to know. Perhaps someone can point me in the right direction. We have several p...more >>

Hello, does anyone know how to find out the logged in user with domain in vc++ ? Thanks for help Michael ...more >>

Hello, I am currently trying to wrap my head around what actually happens when I compile a normal (native) c++ class with the /CLR Flag in Visual C++ 2005 (C++/CLI). Suppose I have the following class deklared in c++: // #pragma managed or #pragma unmanaged // does not seem to make any...more >>

I changed my developing tools from Visual Studio 2003 to 2005. I compiled my application (Unmanaged code) and deployed it. I didn't biuld a setup program. I just copied exe file, mfc80.dll and msvcr80.dll to target computer. But I got an error message: Application can not start because applicati...more >>

Hello, I have a large legacy MFC application. As is typical, there is an executable along with several MFC DLLs. One of these DLLs is created by staticly linking in many libraries resulting in one very large DLL that has the bulk of the code. I've downloaded the MFCWinFormsSample.EXE...more >>

Dear all, I am a newby in remoting so please forgive me if the question is stupid. I have a native c++ prog which executes a long calculation. Now I would like to start this prog on many PC's in my network simultanously. The idea is 1) Create a managed wrapper in C++/CLR. This wrapper is a ma...more >>

I want to display a message to user when machine is doing background job, when the job is finished the message disappear automatically. Do I have to create a modeless dialogbox to implement it? Is there a easier way to to that? Larry -- Sent via .NET Newsgroups http://www.dotnetnewsgroup...more >>

Hi Can we execute the exe, compiled using .Net environment in DOS platform after booting from DOS floppy disk Thanks Rajeesh ...more >>

I want to use the function ULongLongToLong, documented in MSDN. The function information contains: Header = intsafe.h Import library = None I have an installation of Visual Studion 2005 standard edition, but intsafe.h is not present anywhere on my system. This is part of the Windows S...more >>