Eliminating msvcr71.dll & msvcp71.dll dependency

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  - 1
    - Windows Forms Application Template Not Listed I've been writing command line-based applications. Tonight I thought I'd get started with Windows applications, so I searched for some tutorials on the Windows API and many resources seemed to indicate the easiest way to create a GUI is using the Windows Forms Designer (From what I've read, it's similar to designing a GUI with Visual Basic). That sounded terrific. Unfortunately I seem to hit a snag at step 1. I don't have a Windows Forms Application template listed for my project options. Although I'm fairly new to C++ programming, I'm not a novice computer user. I've checked through every group of project options, verified installation options when installing the application, and searched a few search engines for similar problems, only stumbling upon one other mention of the same problem on a message board (two or three other people chimed in saying they had the same problem), but those posts stopped about 3 months back with no resolution. Is it the version of the program I'm using? Or do I need to download additional templates somewhere? (I couldn't find any mention of it at Microsoft's site). The closest option I have to a Windows Forms Application is an MFC Application, but that doesn't seem right. I'm using Visual C++ .NET Standard 2002. Thanks for any help, Mike Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245827
  - 2
    - Access Denied calling NewWorkItem Hi All, I've been trying to write a COM+ component in VC++ that will add tasks to the Windows Task Scheduler that it gets from a private Message Queue. I've gone through all the documentation and examples in the MSDN Library for Task Scheduler but I'm flumoxed by an error when trying to add a task to the scheduler. The code in question is: ///////////////////////////////////////////////////////////////// // Call ITaskScheduler::NewWorkItem to create new task. ///////////////////////////////////////////////////////////////// LPCWSTR pwszTaskName; ITask *pITask; IPersistFile *pIPersistFile; pwszTaskName = L"Test Task"; hr = pITS->NewWorkItem(pwszTaskName, // Name of task CLSID_CTask, // Class identifier IID_ITask, // Interface identifier (IUnknown**)&pITask); // Address of task interface pITS->Release(); // Release object if (FAILED(hr)) { CoUninitialize(); fprintf(stderr, "Failed calling NewWorkItem, error = 0x%x\n",hr); return 1; } When I run this, hr is returning 0x8007005, the very annoying catch-all Access Denied error. I tried to change the LogOn for the Task Scheduler service to a Domain Account with local administrator rights, but restarting the service brings up a error: "Error 1709: The account specified for this service is different from the account specified for other services running in the same process." Maybe because the executable is svchost.exe, and there are a lot of processes running with that one. Anyway, the error I am seeing is probably indicitive of some other underlying security or permissions problem that may cause more difficulties further down the road, so I'm focused on getting this method working as it is, rather than looking at WMI, the TaskScheduler.dll from Site Server, or third party products. Any help with this would be welcome. Regards...Andrew Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245826
  - 3
    - Create a new _com_ptr_t from a raw interface? There has to be a way to create a new _com_ptr_t -based object given a raw interface pointer? I have an IMessage*. I need to create an _MailItemPtr. (based upon _com_ptr_t). This did not compile: IMessage* pMessage; // set pMessage here _MailItemPtr pMailItem; pMailItem.Attach (pMessage); Thanks very much! -Mike Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245820
  - 4
    - How can I insert an OLE-object(such as .gif file) into CRichEditCtrl? Hi, All: I had wroten a programme which I have to insert a *.gif object into CRichEditCtrl, is there anybody who knows how I can do this? Thanks in advance! Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245818
  - 5
    - Create _MailItemPtr from IMessage* ? Please forgive the cross-posting. I am just trying to create an _MailItemPtr, which is built from a _com_ptr_t, given an instance of its underlying raw interface, IMessage. Why won't this compile? IMessage* pEmbeddedMsg = ...; // get valid IMessage* _MailItemPtr pMailItem; pMailItem.Attach (pEmbeddedMsg); I get: "error C2664: 'void _com_ptr_t<_IIID>::Attach(_com_ptr_t<_IIID>::Interface *) throw()' : cannot convert parameter 1 from 'IMessage *' to '_com_ptr_t<_IIID>::Interface *' with [ _IIID=_com_IIID<_MailItem,& _GUID_00063034_0000_0000_c000_000000000046> ] and [ _IIID=_com_IIID<_MailItem,& _GUID_00063034_0000_0000_c000_000000000046> ]" Do I have to put some wrapper glue around my raw interface pointer? Thanks very much, Mike Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245817
  - 6
    - USB Programming / Interfacing Hello, I would like some quick and dirty USB information if possible to give me a feel for what I'm getting into and if I should take another approach. I am designing a non-speed-critical hardware peripheral that I would like to control with a Windows XP application without getting into a programming nightmare. Internally the hardware is parallel so conceptually I'd like to simply connect it to a generic uProcessor-style ADR/DATA/RD/WR parallel interface. Some various approaches to producing this parallel interface are: Go through the PC serial port, go through the PC parallel port, go through the PC USB port, go through a PCI card that translates to a generic RW parallel port, such as FPDP. With my limited Windows knowledge, it believe the only one of these directly supported by the Windows API is the RS-232 serial port, with the remainder all requiring add-on drivers. I've done a lot of RS-232 serial programming in the past but its popularity is waning. So, my thinking is that USB would be a reasonable choice since it seems to have the brightest future among those I listed. I have looked at the numerous USB resources out there and what I'm after at this point is a thumbnail sketch of what I might need to do on both the host and client sides of USB, or maybe not use USB at all. On the host side: 1. Is there any standard API support for USB programming in any of the VS C/C++/MFC/C# libraries? 2. What would my program need to do to read/write data to an arbitrary USB peripheral? On the client side: 1. It appears that there are standard USB interface ICs available that take care of the USB protocol dirty work and transparently provide some sort of generic parallel interface to my hardware when all is said and done. Is this correct? Any suggestions, samples, resources, and comments are welcomed. Is there some other more appropriate approach I've missed? Thanks, Ray Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245815
  - 7
    - NT service Hi folks, I need to make an application that works like an NT service. Does someone have some exemple to me? Thanks -- BMartins (Brazil) Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245800
  - 8
    - Change Window Border color I want to change the color of the border of a window. Will someone point me to the a call that will do that? Thanks, Jeff Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245789
  - 9
    - Class problem Hello, I got a class that i defined class ProbabilityEngine { public: static int index_x; static int index_y; static LaplaceStatistics *Laplace_array; static GaussStatistics *Gauss_array; void CreateFeat(); void CreateXis(); }; I then define the functions in the .cpp and initialise the static menbers variables and functions. But when I try to do the following : ProbabilityEngine my_engine; my_engine.CreateFeat(); I get the error : D:\Bayesian Programming\Form\FormDlg.cpp(50) : error C2143: syntax error : missing ';' before '.' D:\Bayesian Programming\Form\FormDlg.cpp(50) : error C2501: 'Prob_engine' : missing storage-class or type specifiers D:\Bayesian Programming\Form\FormDlg.cpp(50) : error C2371: 'Prob_engine' : redefinition; different basic types D:\Bayesian Programming\Form\FormDlg.cpp(40) : see declaration of 'Prob_engine' and really i'm lost...could there be a problem with static members or something else? Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245785
  - 10
    - Mutex and Critical Sections I've recentley read about mutex objects. For all the multi-threaded apps I've wrote, I've used Critical Sections. Do mutex objects have an advantage? Or is it just preference? Thanks, Mark. Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245781
  - 11
    - DDE question 2 I would like to know why if I activate a DDE connection I can't start a new Iexplore window. This DDE connection is from a software to another that not use Iexplore in any way. Why DDE stop Iexplore? Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245780
  - 12
    - shared variable in DLL hello, How can I define a shared variable in a DLL that all instance of the DLL use it ( similar to a static variable in a class). Best regards Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245776
  - 13
    - Error C2664: 'CreateProcessA' : cannot convert parameter 2 from 'const char *' to 'char *' Hi all .. Can someone enlighten me why on this earth is this code giving out the error. const char *Path = "\"C:\\winnt\\system32\\cscript.exe\""; ZeroMemory( &si, sizeof(si) ); si.cb = sizeof(si); si.dwFlags = STARTF_RUNFULLSCREEN; ZeroMemory( &pi, sizeof(pi) ); // Start the child process. if( !CreateProcess(NULL, TEXT(Path), NULL, NULL, FALSE, CREATE_NEW_CONSOLE, NULL, NULL, &si, &pi )) { printf( "CreateProcess failed (%d).\n", GetLastError() ); return; } But when i pass the same path, hardcoded into the function, createprocess, it compiles fine. What am i doing wrong ?? Thanks for your time !! Prakash437 Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245772
  - 14
    - What is the operation symbol "^" do? #include "stdafx.h" int main(int argc, char* argv[]) { int a=2; int b=7; printf("%d",a^b); return 0; } answer is 5, but I don't know what is it doing.... Best regards, Boki. Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245766
  - 15
    - Reuse previous compiled precompiled headers Hi! Is it possible to prebuild precompiled headers just like we prebuild libraries? What I want to be able to do is to build precompiled headers for Ogre3D so that my students can use this precompiled headers without having to build their own since they have a limited amout of disk space. When I try to use the precompiled headers for another project Visual Studio .NET reports an error stating that the .pdb file used by the current project isn't the same .pdb that was used when the precompiled headers were created. Is there a simple solution to my problem? Kind regards Michael Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245763
  - 16
    - What is meant by static type and dynamic type of same object? Hi there, What is meant by static type and dynamic type of a single object ? Thanks, a.a.cpp Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245759
  - 17
    - no default operator == Hi, I'm trying to compare between two objects of a simple class: class A { int num; } void foo() { A a,b; if (a == b) { ... do domething } } from some reason, it doesnt let me compare the objects. Am I wrong or there should be a default operator == between the objects? I get the error: c:\test\t1.cpp(12) : error C2676: binary '==' : 'A' does not define this operator or a conversion to a type acceptable to the predefined operator why??? Help will be appreciated. Ram. Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245757
  - 18
    - variadic macros in vs8 beta2 Noticed this behavior, which is probably undesirable. Hopefully this gets to the right people before ship time :) #define BAR(a,b,c) ((a)+(b)+(c)) #define FOO(x,...) BAR(x,__VA_ARGS__) FOO(1,2,3) This should parse, but it doesn't. Preprocessor complains about there not being enough arguments to BAR. This example works in GCC and other conformant compilers (which also support named variadics, in the form #define BLAH(x,name...) printf(x,name) --chris Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245753
  - 19
    - HELP on "C" DLL internal code for LAN's and WAN's use To all wizards: I have a "C" DLL file already built and running, but I want to have the DLL accessible(callable) from anyway within a LAN and/or WAN( and even multi-WAN's), or even on a PC. I built the DLL file, via VC++'s (v6.0) ATL COM AppWizard area, and it works quite well. But as for using the DLL file on LAN's and Wan's, do I need to add any more code into the DLL file, so it will work on/under a network and be callable anywhere on a LAN's or WAN's or even on standalones by any and all application(s). If I need some additional code, can you tell me why, and can I get it in simple "C" source code. Any help would surely be greatly appreciated. Thanks(TIA), Tom. Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245752
  - 20
    - 128 bit math routines Does any one know if the New Visual Studio 2005 will support QUAD precision math routines? Where sizeof(long double)==16 bytes Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245747
  - 21
    - Declaration and Definition I declare a function that is virutal without implementation code in my base class, the derived class does not implement it so link error occurs. My question is how do you make the base class code swung into action? class A { virtual int Run(void); }; class B : public A { want to use class A's code, what can be done? Thanks Jack Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245734
  - 22
    - Stealth activation of exe upon right-button -down event? I appologise for bringing this here, however I don't know of more savvy group of folks to ask this question to. I was in the process of deleteing an exe, I decided to not install it. It took about 3-5 seconds for my right-click menu to activate. I sensed that there was alot going on behind the scenes on this event. Am I being paranoid or is it possible that this is by design to secretly get into a computer? I'm using Win2000 with symantic corprate edition av. any help appreciated. Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245732
  - 23
    - Using STL with classes generated dynamically Hi -- I am currently working on a Forth-inspired virtual machine that I use as a run-time for executing domain-specific languages that are generated on the fly from visual models. This machine is created out of thin air at runtime by writing Intel assembler codes into memory for the 32 primitive instructions, the execution engine and for a rudimentary parser that can interpret and compile Forth instruction streams. Once this initialization is done, then the Forth machine accepts streams of forth words and bootstraps itself into a more full-fledged execution environment that includes a type system, classes, an intel code assembler, floating point math, etc. This is all kicked off from within some host program that must be written in a language that supports writing bytes to memory and then jumping to one of these locations to execute the code thus assembled. (I've tried to keep the host requirements limited to these two so that this scheme can also eventually work in an embedded environment with only ROM-based byte sequences to kick it off.) Please bear with me and I will get to my queson in one second; I just have to talk about one more thing to frame it correctly. The runtime environment that emerges from this scheme involves a few different levels: there's the basic intel assembler level that I have access to through the virtual machine; there's the virtual machine itself, which executes any named sequence of the underlying primitives that has been compiled into the system's code dictionary or that is presented to it for run-time interpretation (or any sequence of other such named sequences) ; and then there's the runtime of the host program. While I'm trying to keep the virtual machine simple and capable of executing in just about any environment that satisfies the two requirements I mentioned earlier and that has had an appropriate execution engine generated for it, I also want it to be able, when it's useful, to interact with both the underlying processor and with the host executable environment. I accomplish this through two of the primitives -- one that executes underlying assembly code and the other that makes far calls to the host environment. This presents a great degree of choice about which level to program specific functionality at and allows me to use facilities of a host language to handle stuff that had not yet made its way into the forth-based portable environment or that can be handled better by the host in a context where I am willing to sacrifice portability. More specifically (and more relevant to this newsgroup) when the host programming environment is a C++ executable, I would like to enable as much interaction as possible with the C++ run-time. For example I have a project coming up for a client for a simulation system for which I would like to be able to use the STL and the C++/CLI extensions for the .NET framework library. So here's my question. I want to use the type-generating and dynamic execution capabilities of my embedded Forth environment to create execution streams on the fly from visual models that the user creates and manipulates at run-time. On the other hand, in the course of executing these I would like to leverage STL containers and algorithms to take advantage of rich programming facilities like Boost and Loki (in particular the Boost Graph Library). Now I realize that by the time my application runs, code templates are gone and the only thing that remains of them are type-specific classes that have been expanded at compile time. So my original thought to somehow create new expansions with my dynamically generated types is impossible, since at that point there is nothing to expand from. However, I'm envisioning something like the following, and would just like some basic validation on whether it seems feasible to minds more experienced and wise than my own: If I gnerate my dynamic types in such a way that they are set up in memory exactly like C++ would set up its own objects, then I should be able to pass pointers to them as parameters in far calls to C++ functions and the C++ functions shouldn't know the difference. Right? (I already know this is true with simple structures, because that's how I'm invoking OS calls.) And continuing along this path, if I compile into the C++ host a template expansion of say, an STL vector or a map that has as its value type paramater a pointer to some class, then I should be able to generate my own forth types in such a way that they are set up in memory as though they inherited from this base class type. And I should be able to pass instances pointers of these classes in calls to the corresponding push_back() or find() functions of my STL container classes. As long as the instance pointed to has a correctly constructed vtable, I should be okay. Right? And the same concept should, I'm imagining, hold true for functors that I might want to pass as predicates to STL algorithms. And in fact, if I set up my functor objects so that they appear correctly to derive from the actual type I specified in the C++ template expansion, then the actual predicate functors that I pass could be typed to be aware of the actual type of object that I passed to the container as a value type and could do type-specific manipulations on those objects. I've probably lost y'all by now and of course you might ask "Why don't you just try it and see?". Unfortuinately, I'm currently doing major surgery on my underlying execution engine and am not in a position to test this out, since I didn't have the foresight to preserve a working version that would allow me to test. (Idiot!) Yet I need to decide if this approach is even feasible as I will be specing the system out for the client over the next few weeks and would love to have the comfort of knowing that I have available the full expressive power of the STL in addition to my dyamic execution engine. I realize that if my value type for the STL containers is a pointer to something, then I will have to use proper iterators that are able to call comparison functions and the like dynamically (Boost has this already, I believe). I also realize that this totally violates the spirit of compile-time template expansion type safety. But given my circumstances, I don't think I should have to give up the STL just because my needs are a little exotic. Whoever's still with me, thanks very much for slogging through this. I'd appreciate very much some informed view of the feasibility of what I've described here. And if you feel really charitable, any insights into how to generate well-formed objects with correctly formulated vtables would also be lovely. Thanks and best wishes to all, Michael Clagett Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245730
  - 24
    - Programming for Outlook Express I know there are programs that interact with Outlook Express (mostly anti-spam ones) but am curious as to how I can make a program that will interact with OE. Looking so hard on Google, and the best I came up with was for C#, but I am just C...no C++, no C#, just C. Is there any hope for me? Abd if there is, could you provide the link too? Thank Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245729
  - 25
    - Internal Compiler error in MSVC++ Using MSVC++ 7.1.3088 I have been getting an Internal Error (contact MS tech support) from my VC++ compiler lately. I finally figured out what causes it. Suppose I have a class X, then the compiler has a problem with the following lines of code: typedef X Y; class Y; The forward declare of "class Y" should be treated as a redefinition of Y, but it confuses the compiler and causes the Internal Error message. Is this a known bug? Can it be fixed in the next version? From, Stephen R Mercer -= LabVIEW R&D =- National Instruments Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245726
- Next
  - 1
    - How to call placement delete operator ? HI, Is there any way I can call placement delete operator ? Maybe somehow thanks... a.a.cpp Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245713
  - 2
    - [error lnk 2001] hello i got the following linking error : error LNK2001: unresolved external symbol "public: __thiscall kplAnonKernFromCndKern::kplAnonKernFromCndKern(class std::list<class kplVariable *,class std::allocator<class kplVariable *> > const &,class s td::list<class kplVariable *,class std::allocator<class kplVariable *> > const &,class kplExternalProbFunction *,class plDataValues const &)" (??0kplAnonKernFromCndKern@@QAE@ABV?$list@PAVkplVariable@@V?$allocator@PAVkplVariable@@@std@@@std@@0PAVkplE xternalProbFunction@@ABVplDataValues@@@Z) Debug/test2.exe : fatal error LNK1120: 1 unresolved externals and i'm wondering if this is due to the lack of a specific library abd how to determine which library is missing? Thanks François Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245708
  - 3
    - Writing a library in C I am looking for some example how to write a dll in pure C, not C++. As a compiler and IDE I've got Visual C++ 5 installed. Any tips? Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245706
  - 4
    - waveOutOpen I made a post earlier about trying to write my own sound control (within my app). through a few of the replies I did find "waveOutOpen" and it's other functions. but i can't see the correct way to use "waveOutOpen". my pc only has one audio device, and i just need my app to be able to open the standard volume on any flavor of windows, and change it. i only knnow C, not C++ so please keep that in mind. can anyone else give me some tips or point me in the right direction? thanks Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245697
  - 5
    - Someway to let new & new[] do not allocate storage !!! Hi, Is there some way to not to allow new operator to allocate storage..somehow maybe if it can be done.... Thanks, a.a.cpp Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245695
  - 6
    - number of days between dates Is there a good simple method of calculating the difference between dates? I have strings of yyyymmdd, and want to do something like 20050304 - 20050223, and get the number of days between those two dates. I thought about creating a whole date class, but is there an easier method? Like maybe creating just one function. string sdate1 = "20050203"; string sdate2 = "20050201"; string date = date1 .substr(6.2); int ndate1 = atoi(sdate1.c_str()); date = date2 .substr(6.2); int ndate2 = atoi(sdate2.c_str()); //calculate how many days are missing days = ndate1 - ndate2 ; but this just does the dd part, maybe someone can post some code, ideas to help. thanks. Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245681
  - 7
    - IViewObject::Draw in Internet Explorer hi Im loading HTML content in a hidden Internet Explorer control and redirect the painting messages in a Memory Device context for other uses. So far here's what i did : I selected a DIBSECTION in a HDC and with a timer , i use the IViewObject::Draw of the document object to draw in my HDC. But the problem is for exemple, when other objects have compound document like IFRAME or FLASH objects. Is there a way to get a hook the main document 's drawing proceedure ? In other words, can i subclass a message somewhere and dispense of the (Timer + IViewObject::Draw) combo ? BEcause obviously the (Timer + IViewObject::Draw) forces the docuemtn to draw TWICE !!! thanks Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245664
  - 8
    - How to Disable Debug? I recently installed C++ 6.0 (old, I know)... and I said "Yes" when it asked about adding debug information to Windows or SDK (or something like that). The unfortunate side-affect has been that when the server program I run crashes, a dialog box now pops up demanding user interaction to allow the process to die or "cancel and debug." This would be fine if Visual Studio was running, but it's not--I only want this sort of crash interception to occur when I'm in Visual Studio. As it stands now, the watchdog process to restart my server when it crashes is effectively nerfed because it needs to run unattended, but the debug dialog box demands a user be present. :( I un-installed all components and this crash intercept debug feature still persists. Unfortunately I didn't save a backup of my Windows folder before the install (which would have made undoing this much easier). I found some information on Microsoft's site about retail and debug versions of the SDK, but it was for an older version of DirectX. Given that background, how do I disable this crash debug feature? Thanks, ~Bonesly Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245647
  - 9
    - DDEConnect question I'm using the DDEConnect function and when I call it with no DDE server in action the code run inside itself and don't return. I think that the normal think is that if the function fall it have to return a code in a bit. I call the funcion like this: hconvCppServer = DdeConnect(m_InstId, hszCppServer, hszCppTopic, 0); All the function parameters are valid. In anyway if I use the function with a valid DDE server it work fine. Can you explain me how is possible this? Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245644
  - 10
    - May STL destructors throw? The C++ standard says (17.4.4.8/3): "No destructor operation defined in the C++ Standard Library will throw an exception." It also does not put an excception specification for basic_string::~basic_string() (21.3/6, pp. 385). Is this NOT a contradiction? May the basic_string dtor throw or not? Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245639
  - 11
    - PrintDlg() method : hDevMode and hDevName help Hello all, My code seems to be working, however I have a question about the returned PRINTDLG::hDevMode and PRINTDLG ::hDevName fields. //****Code*** PRINTDLG g_PrintDlg; //hDevMode and hDevNames = NULL DEVMODE *pdv; BOOL bRetVal, bColor; TCHAR m_szPrinterName[32]; if(bRetVal = PrintDlg(&g_PrintDlg)) { ... if(g_PrintDlg.hDevMode != NULL) { pdv = (DEVMODE *) GlobalLock(g_PrintDlg.hDevMode); lstrcpy(szPrinterName, (LPSTR) pdv->dmDeviceName); bColor = (DMCOLOR_COLOR == pdv->dmColor); GlobalUnlock(g_PrintDlg.hDevMode); } ... // When I free the global memory (below), a second call to // PrintDlg() will cause an insufficient memory error. When I // do not free the memory, everything works fine with repeated // calls to PrintDlg(). if(g_PrintDlg.hDevMode != NULL) GlobalFree(g_PrintDlg.hDevMode); if(g_PrintDlg.hDevNames != NULL) GlobalFree(g_PrintDlg.hDevMode); ... } Question : If I do not free the global memory, will this code create a leak or is there a mechanism which frees the memory that I couldn't find in MSDN? Thank You - M Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245637
  - 12
    - Which has higher precedence & or == I have this example in a window procedure: fBlocking is BOOL and wParam is an argument of the window procedure. switch (iMsg){ // case WM_CHAR: if (fBlocking & wParam =3D=3D '\x1B'){ // } retrurn 0; // } Like this we get a warning: warning C4554: '&' : check operator precedence for possible error; use = parentheses to clarify precedence But I don't know what the precedence was expected here to put the parens = in correctly. Any ideas? --=20 George Hester _________________________________ Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245625
  - 13
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  - 14
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  - 15
    - where is thye bext place to buy MSDN subscription? Hello, I want to buy a MSDN subscription. Where is the best place to buy it. I found that OSROnline selling it a little chaper than microsoft itself. Is there any other place that sell it cheaper? Best regards Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245597
  - 16
    - Boolean returns I have a routine that I want to return a boolean value from, i.e: DLL_API bool STDCALL MyRoutine(HWND hWnd) { //some code... return true; } This routine is in a dll which I'm calling from a VB exe. Sometimes the routine returns true when it clearly shouldn't have. The routine is quite simple with a few if's and some &'s and |'s. Anyhow, the code is not important because I can easily do a dry-run in my head, but the routine is not consistent in it's return values. I also use the PrintWindow api which returns a boolean which can't be relied on in c++. I know my routine works ok, because if I return an int instead, so return 1 is true and return 0 is false, everything is fine. Is there a problem with transferring boolean results from a c++ dll to a vb exe? Or is there something I've missed here? Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245595
  - 17
    - copying data Hi, I wrote the following code: BYTE *pBuffer = new BYTE[MYBUFFERSIZE]; //[...] filling buffer with data... BYTE *currpos = NULL; UINT offset = 20;//random value, smaller than MYBUFFERSIZE, of course currpos = &pBuffer[offset]; //creates a pointer to pBuffer increased by 20 bytes This statement compiles fine, but when I run it, I find the first 4 bytes currpos points to corrupted (these 32bits contain the pointers address). Obviously, I'm casting a wrong way, but I cannot figure out what exactly I'm doing wrong....can anyone help? Thanks Peter Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245592
  - 18
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  - 19
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  - 20
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  - 21
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  - 22
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  - 23
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  - 24
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  - 25
    - Questions about fopen and printers This is more of a theoretical question. is it possible to use fopen() and fprintf() to send basic text to a printer through the printer's USB port? I guess my real question is, can I use a printer's USB input port as a simple serial port the same way fopen("COM1:", "w") does? thanks in advance, ed Tag: Eliminating msvcr71.dll & msvcp71.dll dependency Tag: 245564

Hi,

I'm building this dynamic link library and it's compiled with "Code
Generation" option set to "Multithreaded DLL". It's designed to be linked by
another DLL or EXE. From what I understand, I can't use "Multitheaded" here
because multiple "static" copies of CRT running in the same process space
can cause problems. (And If I set it to "Multithreaded", my program will
crash in very weird parts.) So I stick to "Multithreaded DLL", and
everything goes fine.

The problem is that since the DLL is generated by VS.NET 2003, it has
dependency on MSVCR71.DLL and MSVCP71.DLL. I know I can ship these two files
with my software package. But what if I don't want to do so? Can I
dynamically link to the "latest available CRT" on users' computer? Can I
link to an older version such as MSVCR60.DLL and MSVCP60.DLL? Is there any
compiler option to force linking an older library?

Thanks in advance,
--
He Shiming

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Re: Eliminating msvcr71.dll & msvcp71.dll dependency by Jochen

Jochen
Wed Apr 20 04:55:58 CDT 2005

Hi He!
> I'm building this dynamic link library and it's compiled with "Code
> Generation" option set to "Multithreaded DLL". It's designed to be linked by
> another DLL or EXE. From what I understand, I can't use "Multitheaded" here
> because multiple "static" copies of CRT running in the same process space
> can cause problems. (And If I set it to "Multithreaded", my program will
> crash in very weird parts.) So I stick to "Multithreaded DLL", and
> everything goes fine.

Where have you read this?
In general you can say: It is a bad design if memory is allocated in one
DLL/EXE and freed in an other.
If this is not the case, then you can use whatever you want (I prefer
static CRT).

> The problem is that since the DLL is generated by VS.NET 2003, it has
> dependency on MSVCR71.DLL and MSVCP71.DLL.

Yes.

> I know I can ship these two files
> with my software package. But what if I don't want to do so?

YOu have a problem (your app /dll does not start).

> Can I dynamically link to the "latest available CRT" on users' computer?

No.

> Can I link to an older version such as MSVCR60.DLL and MSVCP60.DLL?

Maybe you can do this if you replace the inc/lib files for CRT with the
old one.

> Is there any compiler option to force linking an older library?

No (see above).

--
Greetings
Jochen

My blog about Win32 and .NET
http://blog.kalmbachnet.de/

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