Reg 64-bit support

Visual C++ General

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  - 1
    - Is it possible to have dialogs in a DLL created using VC++ 6.0 Thank you. But is it not possibale using a regular dll using MFC shared library. Please tell me how to export dialog class or object of a regular dll and use it in VC++ application. Tag: Visual C++ General Reg 64-bit support Visual C++
  - 2
    - Exception from Invoke method I'm getting the message "NULLReferenceException: Object reference not set to an instance of an object" when executing the following: if ( this ->mycontrol->InvokeRequired == true ) { this -> mycontrol -> Invoke ( gcnew MethodInvoker ( this ,&myForm::controlDelegate)); } The exception refers to the line that calls the Invoke method. This does not happen consistently . Most of the time there is no exception. Any suggestions Thanks. Paul Tag: Visual C++ General Reg 64-bit support Visual C++
  - 3
    - Static and dyanamic linking See Dynamic-Link Libraries . Also, you can create a project for a DLL using "File | New | Project ..." in VS. When you select Win32 Project you will be able to select a DLL project. I wrote a little bit that might help; see my Static versus Dynamic Linking . Tag: Visual C++ General Reg 64-bit support Visual C++
  - 4
    - CHttpFile::SendRequest() hangs Hi all, I am using CInternetSession, CHttpConnection and CHttpFile classes to fetch the asp page. The code seems to run fine for the first time, but it hangs on the second call. here is the code i wrote:- Internet session is initialized in the constructor:- m_pSession = new CInternetSession("CHttpHelper"); CHttpConnection* pServer = NULL; CHttpFile* pFile = NULL; CString server; CString object; INTERNET_PORT port; DWORD a; DWORD dwRet; DWORD dwHttpRequestFlags =INTERNET_FLAG_DONT_CACHE; CString Page; char Buffer[512]; AfxParseURL(url, a, server, object, port); pServer = m_pSession->GetHttpConnection(server, port); pFile = pServer->OpenRequest( CHttpConnection::HTTP_VERB_GET, object, NULL, 1, NULL, NULL, dwHttpRequestFlags); if (pFile != NULL) { pFile->SendRequest(); pFile->QueryInfoStatusCode(dwRet); if (dwRet == HTTP_STATUS_OK) { int nCount = 1; while (nCount > 0) { // Read the Page in a String nCount = pFile->Read(Buffer, 511); if (nCount > 0) { Buffer[nCount] = 0; Page += Buffer; } } } } if (pFile != NULL) { pFile->Close(); delete (pFile); pFile=NULL; } if (pServer != NULL) { pServer->Close(); delete (pServer); pServer=NULL; } Thanks in advance. Note:- 1. The code runs fine when i add an AfxMessageBox("Run"); before pFile->SendRequest(). 2. It works fine with local asp page. Tag: Visual C++ General Reg 64-bit support Visual C++
  - 5
    - check for process availability using process-id Process id is not useful for doing that. You are mixing C code with code specific to Unix/Linux and you seem to expect that Unix/Linux works the same as Windows. I don't know how your program manages process, but there are probably many useful items in the Windows documentation. Probably there are a few books that include explanation of threads and synchronization. Tag: Visual C++ General Reg 64-bit support Visual C++
  - 6
    - how to GET a binary file using winsock 2 Q: If you're receiving binary data, why are you fwrite()ing 'strlen(tempbuf)' A: strlen(tempbuf) is the length of the buffer to be written to the file, not the buffer itself. Q: Is the data in the buffer after the recv() call A: yes. so there isn't a problem with recv(). Q: If the data is there, the problem is in writing it out or in looking at the binary-file-with-.txt-extension. A: no I have checked this with hex editors. an example: actual file (google logo gif):47 49 46 38 39 61 14 01 6E 00 F7 00 00 F7 F7 F7 recv()ed file:47 49 46 38 39 61 14 01 6E 94 C6 18 FF 75 63 BD Tag: Visual C++ General Reg 64-bit support Visual C++
  - 7
    - c++ debug: STATUS_DLL_NOT_FOUND Thanks a lot! I found the answer: go to project ->properties ->c/c++ general->debug information format I changed it to program database edit and continue, then it worked! Tag: Visual C++ General Reg 64-bit support Visual C++
  - 8
    - Obtaining a memory address of a variable returned by a class member function Can you explain a little bit more Tag: Visual C++ General Reg 64-bit support Visual C++
  - 9
    - File Handler not working Can you be specific about what does not work or that happens that is not supposed to happen Also, note that CreateDirectory returns BOOL and CreateFile returns INVALID_HANDLE_VALUE if the function fails; please do check return codes in your program. Also, you are very likely to be able to solve the problem if you use the debugger to single-step through the program. Tag: Visual C++ General Reg 64-bit support Visual C++
  - 10
    - Makefile project linking broken in Visual Studio 2005? In Visual Studio 2003 and earlier, you could make Visual Studio projects link against the output of a makefile project by setting the Output line. In VS2005 this seems to be broken. Is there something you have to do to get this to work One of the projects I have run into has a work around for this issue by making a separate library project with no files in it, that depends on the makefile project. To get the output of the makefile project to link in, it adds the output of the makefile project to the "Additional Dependencies" line in the separate empty library project. Any upstream libraries then need to depend on the empty library project instead of the makefile project. But this means you have to author 2 project files for every external library. Is there a better way to do this in VS2005 Tag: Visual C++ General Reg 64-bit support Visual C++
  - 11
    - whats problem with this code? msvs2005 I'm not sure what exactly you're trying to achive, but in addition to what Mike said, you have a couple of options to reduce size of your executable: 1) Don't use memset, just use a parameterless functional-notation cast expression: *tst = _TEST(); 2) Don't use /Zl or /NODEFAULTLIB but bypass startup and cleanup. Of course, you must be very careful to avoid things that require CRT initialization or cleanup. E.g. just link with /entry WinMain. This should reduce the EXE size quite significantly, but of course, you don't get any automatic initialization/destructions of globals, local statics, handling exceptions escaping from main, FP initialization, /GS checks and a gazillion of other things ... -hg Tag: Visual C++ General Reg 64-bit support Visual C++
  - 12
    - Deployment and DLLs Oh, this questions is asked so much; or at least questions with the same answer. Visual Studio: Deploying Applications and Components .NET Framework Developer's Guide: Deploying .NET Framework Applications Visual C++: Deployment (C++) SDK: Windows Installer Tag: Visual C++ General Reg 64-bit support Visual C++
  - 13
    - CWinFormsView VC2005 We are integrating .NET UserControls into MFC using the CWinfFormsView class. It works great except for a few things. The most important issues is TAB navigation and tooltips (running the same usercontrol on a modal WinForm works fine). TAB navigation seemingly works, but often suddenly stops working at a specific controls (running the same usercontrol on a modal WinForm works fine) Espen. Tag: Visual C++ General Reg 64-bit support Visual C++
  - 14
    - VS 2005 and Qt QString Yes the problem can be reproduced like you say in the first example. The selected QString gets passed into my function and I am able to print it out using a qDebug( ) statement. Also if I try to create a char* how you say I get the same problem. That is what I was initially trying to do but I was getting the same error so I was trying to break it into individual steps to see where my problem was. Thanks again! Tag: Visual C++ General Reg 64-bit support Visual C++
  - 15
    - question about backups and .ncb files I wanted to make some backups from my source but the portable backup device has limited space and copying needs long. In order to save some space I wrote a script which will delete all folders with name Debug or Relesae. I think I don`t need that folders because I can recompile my source. What about .ncb files Them are quite big. I think them have basically just some informations which speed up reloading the project. If I delete them I need more time starting my project the next time, but no informations are lost forever. Is this correct Tag: Visual C++ General Reg 64-bit support Visual C++
  - 16
    - Problem with NULL in visualstudio 2005 The STL iterators were improved so I think you have to improve your program too. For a similar discussion on same topic see http://forums.microsoft.com/MSDN/ShowPost.aspx PostID=403438&SiteID=1 . Assigning of NULL to iterators was probably an undocumented feature of older STL, which now is abrogated. In my opinion, if your nullable iterators appear in comparison operations like this: Code Snippet static vector< int >::iterator data = NULL; . . . if( data != NULL) { . . . } then I would propose the following adjustment: Code Snippet static vector< int > unused; static vector< int >::iterator data = unused.end(); . . . if( data != unused.end()) { . . . } I.e. instead of working with NULL , use an allowed distinct value. I hope this makes sense. Tag: Visual C++ General Reg 64-bit support Visual C++
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  - 1
    - Dictionary<TKey, TVal> subclasses invisible Ramkrishna Pawar wrote: Are those public types inside Dictionary class If not(in case of protected), you might try to derive a public class from it and use them there. The documentation says they're public. See http://msdn2.microsoft.com/en-us/library/x8bctb9c(vs.80).aspx et al. I've seen a number of examples of this kind of thing, and there's never a suggestion that you might run into a problem of this nature. Tag: Visual C++ General Reg 64-bit support Visual C++
  - 2
    - Draw to screen without using OnPaint() Harry123 wrote: If the Render function is called from OnPaint then it works but if there is not an OnPaint() function(Which my CFullScreen class does not have as it is not a dialog) then it does not work What is CFullScreen What is it derived from Non-dialog windows get sent the WM_PAINT message and it can be processed (override OnPaint). If you don't see an OnPaint or OnDraw fumction then you need to add a function to process the WM_PAINT message. Tag: Visual C++ General Reg 64-bit support Visual C++
  - 3
    - VC++ 2005 redistributable The redist is called "Microsoft Visual C++ 2005 Redistributable Package (x86)" available at http://www.microsoft.com/downloads/details.aspx displaylang=en&FamilyID=32BC1BEE-A3F9-4C13-9C99-220B62A191EE From the description: " This package installs runtime components of C Runtime (CRT), Standard C++, ATL, MFC, OpenMP and MSDIA libraries." I also copied the mfc directory from a machine with VS 2005 professional so that I could try to recompile on the VS express machine. That didn't work either. Jay. Tag: Visual C++ General Reg 64-bit support Visual C++
  - 4
    - LNK2019 errors - tried everything I could find "Ignore all default libraries" is set to 'no'. User32.lib doesn't appear to be being linked, though (by looking at the verbose output). Kernel32, MSVCRTD and others are, though. I'm quite stumped... this is my first venture outside of conventional windows programming (in C++) into DX programming, and I can't even get it to compile! Tag: Visual C++ General Reg 64-bit support Visual C++
  - 5
    - Creating Menus You can right click on the resource file and can choose, "Add Class" option. Tag: Visual C++ General Reg 64-bit support Visual C++
  - 6
    - exiting a user-interface thread I figured out a way around the problem. The thread no longer needs the WM_QUIT message. thanks Tag: Visual C++ General Reg 64-bit support Visual C++
  - 7
    - primary numbers finding Hi teasy, It seems ur time is prime. Is my lsPrime() functioning properly Cheers, Ch.T.Gopi Kumar. Tag: Visual C++ General Reg 64-bit support Visual C++
  - 8
    - Consume Web Services via C++? I agree with Johan - it is very easy. It automatically uses SOAP and does all the initialization and cleanup for you. Very nice. You will have to deal with all the COM-like interface issues like using BSTR instead of CString (ugh) etc. I'm not sure, but you might need to install MSXML Parser v6.0 to use this (although that is forcibly installed by Studio 2005 anyway, but your target systems might need it). I created an error decoding routine (see the end of this posting) that decodes all the error messages that you get back from SOAP and the web server, which can really help you track down where problems are. They are still pretty cryptic, but after making a list of all the situations I've encountered I can usually match up a combination of the cryptic errors with (usually) configuration or network (or coworker software) problems. But I do have a very minor complaint. The auto-generated proxy code hard-codes the URL of the web service that you are referencing. That's OK if it is an Internet web service. But my coworker is developing the web service, and sometimes I have it installed on my box. This becomes worse when considering how to deploy my software since it needs a way to modify that URL to point to the installation wherever that may be. So every time I update the reference to the Web Service (every time my coworker changes the interface during development, which is a lot) I have to manually change the automatically generated constructor from the hard-coded URL: CService1T(ISAXXMLReader *pReader = NULL) :TClient(_T("http://localhost/MGate/Service1.asmx")) { SetClient(true); SetReader(pReader); } to the following to add the URL as a parameter: CService1T(LPCTSTR sWebServiceURL = "http://localhost/MGate/Service1.asmx", ISAXXMLReader *pReader = NULL) :TClient(_T(sWebServiceURL)) { SetClient(true); SetReader(pReader); } EVERY time the Web reference gets updated. Note also that if you are using Source Safe you need to checkout both the auto-generated proxy file (localhost.h in my case since I had the web service running on localhost i.e. on my box) and the Service1.wsdl file BEFORE you update the web reference. My own habit is to patch the constructor described above, copy in all the Source Safe history comments at the top of the file, save it off to a different filename and use that different filename as the actual include for the project (i.e. ignore the auto-generated one). It's not a huge deal, but I don't see any automated way around it. I wish their auto-generated proxy code had defaulted to making the URL a default parameter. I hope our esteemed forum moderator is listening.... Mr. Bill Handy error decoding routine: void DecodeSoapErrorMessage(CService1& MGateWebService) { //// From VC\atlmfc\include\Atlsoap.h //enum SOAP_ERROR_CODE //{ // SOAP_E_UNK=0, // SOAP_E_VERSION_MISMATCH=100, // SOAP_E_MUST_UNDERSTAND=200, // SOAP_E_CLIENT=300, // SOAP_E_SERVER=400 //}; //// client error states //enum SOAPCLIENT_ERROR //{ // SOAPCLIENT_SUCCESS=0, // everything succeeded // SOAPCLIENT_INITIALIZE_ERROR, // initialization failed -- most likely an MSXML installation problem // SOAPCLIENT_OUTOFMEMORY, // out of memory // SOAPCLIENT_GENERATE_ERROR, // failed in generating the response // SOAPCLIENT_CONNECT_ERROR, // failed connecting to server // SOAPCLIENT_SEND_ERROR, // failed in sending message // SOAPCLIENT_SERVER_ERROR, // server error // SOAPCLIENT_SOAPFAULT, // a SOAP Fault was returned by the server // SOAPCLIENT_PARSEFAULT_ERROR, // failed in parsing SOAP fault // SOAPCLIENT_READ_ERROR, // failed in reading response // SOAPCLIENT_PARSE_ERROR // failed in parsing response //}; // CString sTemp, sSoapError; char* sSoapErrors[11] = { "No errors.", "Initialization failed. Possibly caused by an MSXML installation problem.", "Out of memory.", "Failed to generate the response.", "Failed to connect to the server.", "Failed to send the message.", "Server error.", "The server returned a SOAP fault.", "Failed to parse a SOAP fault.", "Failed while reading the response.", "Failed while parsing the response."}; SOAPCLIENT_ERROR scError = MGateWebService.GetClientError(); if((scError >= 0) && (scError < 11)) sSoapError.Format("MGateWebService.GetClientError = %d (%s)", scError, sSoapErrors[scError]); // see SOAPCLIENT_ERROR else sSoapError.Format("MGateWebService.GetClientError = %d (unknown code)", scError); CommandLineErrorLog(sSoapError); CString strDetail = CW2A(MGateWebService.m_fault.m_strDetail); // CW2A macro: convert wide char to ascii CString strFaultActor = CW2A(MGateWebService.m_fault.m_strFaultActor); CString strFaultCode = CW2A(MGateWebService.m_fault.m_strFaultCode); CString strFaultString = CW2A(MGateWebService.m_fault.m_strFaultString); sSoapError.Format("Error code %d\n" // from SOAP_ERROR_CODE "FaultCode: %s\n" "FaultString: %s", MGateWebService.m_fault.m_soapErrCode, // oddly enough, this is NOT the same as GetClientError( ) - go figure. strFaultCode, // text corresponding to SOAP_ERROR_CODE in m_soapErrCode strFaultString); if( ! strDetail.IsEmpty()) { sTemp.Format("Details: %s\n", strDetail); sSoapError += sTemp; } if( ! strFaultActor.IsEmpty()) { sTemp.Format("FaultActor: %s\n", strFaultActor); sSoapError += sTemp; } if(scError == SOAPCLIENT_SOAPFAULT) { sTemp.LoadString(IDS_DLG_WORKLIST_CONFIG_ERR); sSoapError += sTemp; } CommandLineErrorLog(sSoapError); } Tag: Visual C++ General Reg 64-bit support Visual C++
  - 9
    - Link 'msvcirt.lib' in a VS C++ 2005 project Thanks for your info. People really talked about the issues in the thread, but it seems that they havn't come to a solution to this problem. I am wondering too if there is anywhere that I can get the old library version, as I don't have any source code to recompile to the latest VS 2005 version binary code. Tag: Visual C++ General Reg 64-bit support Visual C++
  - 10
    - CopyFileEx() not working Hello Re: CopyFileEx() not working The right place for your question is probably one of the Win32 newsgroups: http://msdn.microsoft.com/newsgroups/topic.aspx url=/MSDN-FILES/028/201/015/topic.xml OTP Thanks Damien Tag: Visual C++ General Reg 64-bit support Visual C++
  - 11
    - OpenFileDialog and SaveFileDialog crashes windows application I included a try-catch statement wherever I felt an exception might occur, and opening a openfiledialog / savediledialog was one of the few places that I didn't use try-catch. Nevertheless, I added try-catch to all my functions, but it did not solve the problem. Here is the place where the openfiledialog was instantiated: System::Void Form1::OpenProject() { try { OpenFileDialog* OFDialog = new OpenFileDialog(); OFDialog->Filter = S"KhepProperties Files (*.khp)|*.khp"; OFDialog->FilterIndex = 1; OFDialog->RestoreDirectory = true; if (OFDialog->ShowDialog() == DialogResult::OK) { OpenProject(OFDialog->FileName); } } catch (Exception* e) { MessageBox::Show(e->ToString(), S"Unknown Exception"); } } As you can see, I didn't do anything fancy there. What really bugs me is that the application closes without a warning. If an exception is not caught, should the application not display an error messagebox by itself With regards to the debugger, I did use it to see what the problem was, but the application always runs smoothly when it is running under the debugger, even if running executable causes the described problem. (I was told that this is because the debugger fixes some problems in the stack automatically.... ) Tag: Visual C++ General Reg 64-bit support Visual C++
  - 12
    - need a help regarding dwmapi.dll and DwmExtendFrameIntoClientArea function Hello rcen! I have a selfsame Yours problems . The my solution was that I make a DWMAPI.DLL with the function DwmExtendFrameIntoClientArea, like stub thah do notfing. Regards YankoNik Tag: Visual C++ General Reg 64-bit support Visual C++
  - 13
    - msvcr80.dll not found I also have been getting this error message and up until now seem to have had no idea why it was happening. After installing then uninstalling (including deleting of folders leftover) and installing again, the error would not occur and then for what seemed no apparent reason it would re-occur. This error seems to occur right after going to project properties and does not require any changes to be made, it also only occurs on the debug build and not the release build. By copying the msvcm80d.dll, msvcp80d.dll and msvcr80d.dll (from C:\WINDOWS\WinSxS\x86_Microsoft.VC80.DebugCRT_1fc8b3b9a1e18e3b_8.0.50215.4652_x-ww_a12cf373) to C:\WINDOWS\system32 and replacing existing file (didn't know if msvcm80d.dll and msvcp80d.dll were required but copied them there also) the error no longer occurs. However the cl.exe in C:\Program Files\Microsoft Visual Studio 8\VC\bin also complains about mspdb80.dll missing after going to project properties, but compiling and building in visual c++ 2005 express edition beta 2 still work. Tag: Visual C++ General Reg 64-bit support Visual C++
  - 14
    - how to change the color of a combobox in mfc? How can i load image on combobox button can anyone explain a bit on this if possible code sample Tag: Visual C++ General Reg 64-bit support Visual C++
  - 15
    - office com add-in theme support Thank you for your answer. I've tried this but with no success - the theme is applied again to MessageBoxes and FileDialogs only. Tag: Visual C++ General Reg 64-bit support Visual C++
  - 16
    - Char* issue on Migrating from VC6 to VC8 (2005) We have our own function to trim the spaces. The following is the code to it. It works in VS6 but not in VS2005 LPSTR RTrim( LPSTR lpsz ) { char* pChar; ASSERT(lpsz && AfxIsValidString(lpsz, -1)); int i = strlen(lpsz); pChar = lpsz + strlen( lpsz ) - 1; while (pChar >= lpsz && *pChar == ' ') *pChar-- = 0; return lpsz; } Tag: Visual C++ General Reg 64-bit support Visual C++

C&#43;&#43;Newbie

Hi,

I am relatively new to Visual C++ and require your help on this.

I have C++ code which is required to run on both 32-bit and 64-bit Windows. Can I use Visual C++ 2.0 to compile the C++ code or I would need Microsoft Visual C++ 2005 to do this

The http://en.wikipedia.org/wiki/Visual_C++ says that Visual Studio 2005 Standard and Professional editions have x64 compiler support .But currently, I have only Visual C++ 2.0 . Can 64-bit compilation work with 2.0 or I necessarily have to go in for Microsoft Visual C++ 2005

Thank you very much in advance!

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Re: Visual C++ General Reg 64-bit support

einaros

You really should upgrade, and not only because of the x64 support. VC2 is horribly outdated, including the standard libraries, language support and so forth. A great deal of bugs have also been fixed throughout the last decade (or one and a half decade), so anything prior to (and in my eyes including) VC6 should be scrapped unless you need to do 16bit development.

And no, you will not be able to compile x64 code with the 2.0 compiler. You will however be able to run x86 code on x64 architecture, so if all you need is executable compatibility -- there's no need to upgrade.

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