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  - 1
    - Class wizard not generating stdafx.h I have programmed in c and c++ for years but I am just introducing myself to the Windows API and MFC. I started on MFC with this tutorial http://www.codersource.net/samples/mfc_tutorial_5.zip To make a long story short ... I edited a dialog box resource, saved it, then went through the class wizard to create a new class. Basically step by step through that web page. It generated NewDialog.cpp and NewDialog.h, but didn't generate stdafx.h or script3.h . (The resource is named script3). I googled on this, stdafx.h and the resource header file are apparently supposed to be generated by the class wizard, I wasn't able to find anybody else with the same problem, does anybody know what might be causing this (a project setting maybe?) or an alternate way to generate them? I could probably use a generic stdafx.h like this http://tinyurl.com/yvpl7o from reading about it, it looks like it is usually pretty standard, but script3.h should have some necessary things in it, I don't know what. Thanks for any help, sorry for the newbie type questions ... -- Joe Cosby http://joecosby.com/ Capt. Dobbs: Suppose every one thought the same way you do? Capt. Yossarian: Then I'd be a damn fool to think any different. :: Currently listening to No Surprises, 1997, by Radiohead, from "OK Computer" Tag: How to search files...? Tag: 284338
  - 2
    - New flyweight template class Hi! I previously posted a flyweight template class, and asked for suggestions on how to improve it (see http://groups.google.com/group/microsoft.public.vc.language/browse_thread/thread/ccf2c8eff4b0043d). Now I present a new version, with some improvements. Tom Widmer had some useful comments that I have incorporated in the new design. I have also used some ideas from the flyweight library that is about to enter boost. The boost version is very complex, using template meta programming and allows all kinds of customization. The version I have designed is usable right away, and can be used on compilers such as VC6 and eVC4 (with the help of STLport). First of all, the flyweight design pattern is useful when you have a large number of small objects, that are very likely to have the same value. In that case it is possible to share the representation between instances. This class attempts to solve this problem in a generic way. For example, I experienced a problem where I had many empty std::strings, each of which takes up 28 bytes when using VC7.1. Using the flyweight class it is only necessary to have one empty string. Now to the improvements. This flyweight template by default uses a hashed container to store values. This container can now be changed (with not much trouble) if you desire. The default behaviour when values are no longer referenced in the factory is to remove them, sort of a simple garbage collection. This happens automatically but can be changed for your factory. The flyweight template class is templated on the value and factory: template<class value, class factory> class flyweight; value: default constructible, streamable (if you use it), copy-constructible, comparable and hashable (by default). factory: see below Let me show some sample usages: // We are going to make this class a flyweight struct Person { Person(const std::string& s1, const std::string& s2) : firstName(s1), lastName(s2) {} std::string firstName, lastName; // default behaviour: equality comparable bool operator==(const Person& right) const { return firstName==right.firstName && lastName==right.lastName; } }; // default behavour: we need to be able to hash Person instances std::size_t hash_value(const Person& person) { std::size_t h = 0; // boost::hash is very good boost::hash_combine(h, person.firstName); boost::hash_combine(h, person.lastName); return h; } Here's some sample test cases using the above class and flyweight: void flyweight_test::test_1() { GFL::flyweight<Person> fw1(Person("Daniel", "Lidstrom")); GFL::flyweight<Person> fw2(Person("Bjarne", "Stroustrup")); CPPUNIT_ASSERT(fw1!=fw2); GFL::flyweight<Person> fw3(Person("Daniel", "Lidstrom")); CPPUNIT_ASSERT(fw1==fw3); } Here's an other sample that tries to maximize the size of the factory: int main() { srand(0); typedef GFL::flyweight<std::string> fwstring; const int N = 100000; std::vector<fwstring> vec(N, fwstring()); // create some flyweights for( int i=0; i<N; i++ ) { // create a string with some random characters std::string str; str += 'a' + rand()%8; str += 'a' + rand()%8; str += 'a' + rand()%8; str += 'a' + rand()%8; str += 'a' + rand()%8; vec[i] = fwstring(str); } std::cin.get(); } The flyweight template uses some simple tricks to allow changes to the wrapped value. It does this by using an internal class that acts as a postfix operator-> wrapper. This allows changing the flyweight using the -> operator: GFL::flyweight<Person> fw(Person("Daniel", "Lidstrom")); fw->firstName = "Bjarne"; As I mentioned in the beginning, it is possible to change the default requirements of the value stored in the flyweight. If you dislike computing hash values, you can use a std::set-based factory. Here's a sample: template<class value, class less> struct ordered_factory { typedef ordered_factory this_type; typedef GFL::refcounted_value<const value> entry_type; typedef GFL::refcounted_handle<entry_type, this_type> handle_type; typedef std::set<entry_type, less> Map; typedef typename Map::const_iterator const_iterator; static void erase(const handle_type& h) { const entry_type& entry = h.get(); get_map().erase(entry); } static const entry_type& insert(const value& v) { entry_type et(v); Map& m = get_map(); const_iterator it = m.find(et); if( it==m.end() ) return *m.insert(et).first; else return *it; } private: static Map& get_map() { static Map theMap; return theMap; } }; The requirement of the factory is that it has the entry_type and value_type definitions. The handle_type has to be convertible to entry_type with a get() member, and the entry_type has to be convertible to the value type with a get() member. Here's a sample with the ordered_factory: // this factory requires Person to be less than comparable struct ltPerson { template<class PersonEntry> bool operator()(const PersonEntry& pe1, const PersonEntry& pe2) const { const Person& left = pe1.get(); const Person& right = pe2.get(); return std::make_pair(left.firstName, left.lastName) < std::make_pair(right.firstName, right.lastName); } }; void flyweight_test::test_3() { typedef GFL::flyweight<Person, ordered_factory<Person, ltPerson> > Person_fw; Person_fw fw1(Person("Daniel", "Lidstrom")); Person_fw fw2(Person("Bjarne", "Stroustrup")); CPPUNIT_ASSERT(fw1!=fw2); Person_fw fw3(Person("Daniel", "Lidstrom")); CPPUNIT_ASSERT(fw1==fw3); } Now to the real deal. Here's the flyweight.h header, in all its glory: //! @file flyweight.h //! flyweight design pattern. //! @author Daniel Lidstrom <daniel.lidstrom@sbg.se> //! @date 2007-11-16 11:20 //! @ingroup GFL //! #if !defined(__FLYWEIGHT_H__20071116T1120) #define __FLYWEIGHT_H__20071116T1120 #include <boost/functional/hash.hpp> // hash #if defined(_MSC_VER) && _MSC_VER>=1300 #include <hash_map> // hash_multimap namespace GFLUtils = stdext; #elif defined(STLPORT) #include <hash_map> namespace GFLUtils = std; #elif defined(__GNUC__) //#include <tr1/unordered_map> // use this if you can #include <ext/hash_map> namespace GFLUtils = __gnu_cxx; #endif namespace GFL { using boost::hash_value; //! Used to hash and compare flyweights. template<class T> struct flyweight_traits { //! //! Compare two flyweights. //! static bool equal(const T& left, const T& right) { return left == right; } //! //! Compute the hash of a flyweight. //! static std::size_t hash(const T& t) { return hash_value(t); } }; //! //! Used to store reference counted value types in the factory. //! template<class value> class refcounted_value { public: explicit refcounted_value(const value& v) : m_value(v), ref(0) {} refcounted_value(const refcounted_value& right) : m_value(right.m_value), ref(0) {} refcounted_value& operator=(const refcounted_value& right) { m_value = right.m_value; return *this; } const value& get() const { return m_value; } long count() const { return ref; } void add_ref() const { ++ref; } bool release() const { return (--ref==0); } private: value m_value; mutable long ref; }; //! //! Used as a handle to reference counted values in the factory. //! This class calls upon the tracking_helper to manage the lifetime //! of the reference counted value. //! template<class handle, class tracking_helper> class refcounted_handle { public: explicit refcounted_handle(const handle& h) : m_handle(&h) { m_handle->add_ref(); } refcounted_handle(const refcounted_handle& right) : m_handle(right.m_handle) { m_handle->add_ref(); } refcounted_handle& operator=(const refcounted_handle& x) { refcounted_handle tmp(x); std::swap(m_handle, tmp.m_handle); return *this; } ~refcounted_handle() { if( m_handle->release() ) { tracking_helper::erase(*this); } } const handle& get() const { return *m_handle; } private: const handle* m_handle; }; //! //! The default factory type. Stores values in a hash map. //! Reference counting assures values are removed when //! they are no longer referenced. //! template<class value, class traits=flyweight_traits<value> > class hashed_factory { public: typedef hashed_factory this_type; typedef refcounted_value<const value> entry_type; typedef refcounted_handle<entry_type, this_type> handle_type; typedef GFLUtils::hash_multimap<std::size_t, entry_type> Map; typedef typename Map::const_iterator const_iterator; static handle_type insert(const value& v) { std::size_t hashv = traits::hash(v); return handle_type(insert(v, hashv)); } static void erase(const handle_type& h) { const entry_type& entry = h.get(); get_map().erase(traits::hash(entry.get())); } private: static Map& get_map() { static Map theMap; return theMap; } static const entry_type& insert(const value& v, std::size_t hashv) { const entry_type* ret = 0; std::pair<const_iterator, const_iterator> p = get_map().equal_range(hashv); for( const_iterator it=p.first; !ret && it!=p.second; ++it ) { const entry_type& found_value = it->second; if( traits::equal(found_value.get(), v) ) { ret = &found_value; } } // if we didn't find a previous fly, insert a new if( !ret ) { ret = &get_map().insert(std::make_pair(hashv, v))->second; } return *ret; } }; //! //! @author Daniel Lidstrom <daniel.lidstrom@sbg.se> //! @date 2007-11-16 11:20 //! @ingroup GFL //! flyweight design pattern. Allows you to easily create flyweight //! classes. //! template<class fl, class factory=hashed_factory<fl> > class flyweight { public: typedef fl value_type; typedef factory factory_type; typedef typename factory_type::handle_type handle_type; //! //! Default constructor. //! flyweight() : value(factory_type::insert(value_type())) { } //! //! Destructor. //! ~flyweight() {} //! //! Constructor. //! //! @param value_type value_type object (will be copied) //! flyweight(const value_type& fly) : value(factory_type::insert(fly)) { } //! //! Assignment operator. //! flyweight& operator=(const value_type& v) { return operator=(flyweight(v)); } //! //! Swap contents of two flyweights. //! void swap(flyweight& right) { std::swap(right.value, value); } //! //! Equality comparison. Two flyweights are considered equal //! if their internal pointers are equal. //! friend bool operator==(const flyweight& left, const flyweight& right) { return &left.get() == &right.get(); } friend bool operator!=(const flyweight& left, const flyweight& right) { return !(left==right); } //! //! Output stream operator. //! template<class Stream> Stream& StreamOut(Stream& stream) const { stream << get(); return stream; } //! //! Input stream operator. //! template<class Stream> Stream& StreamIn(Stream& stream) { value_type f; stream >> f; operator=(flyweight(f)); return stream; } //! //! Accessor. //! //! @return value_type //! const value_type& get() const { return value.get().get(); } //! //! Internal class used to allow changing of //! a flyweight using the -> operator. //! class value_proxy { flyweight& mflyweight; value_type value; public: value_proxy(flyweight& f) : mflyweight(f), value(f.value.get().get()) {} // Exceptions are not allowed to propagate from destructors, // is a requirement for using the standard library containers. // That is very likely *not* a requirement for value_proxy. // However, if an exception is thrown during an operation // of the fly, this destructor must *not* throw. If that // happens we are throwing during exception handling which // leads to abort. ~value_proxy() { try { mflyweight = value; } catch(...) {} } value_type* operator->() { return &value; } }; friend class value_proxy; //! //! Provides an easy way to access member functions of the fly. //! const value_type* operator->() const { return &value.get().get(); } //! //! Non-const version. //! value_proxy operator->() { return value_proxy(*this); } //! //! Automatic conversion. //! operator const value_type&() const { return get(); } private: handle_type value; }; } template<class Ostream, class fl, class tr> Ostream& operator<<(Ostream& os, const GFL::flyweight<fl, tr>& f) { return f.StreamOut(os); } template<class Istream, class fl, class tr> Istream& operator>>(Istream& is, GFL::flyweight<fl, tr>& f) { return f.StreamIn(is); } #endif I will gratefully accept any comments or (constructive) critizism you might have. This piece of code owes a lot to Joaquin Lopes Munez (author of the soon-to-be boost library). Thanks Joaquin! P.S. Follow-up set to microsoft.public.vc.language because I can only post through Microsoft's news server. -- Daniel Tag: How to search files...? Tag: 284336
  - 3
    - string buffer Hello everyone, Suppose we defined a string buffer (array), like this, char array[] = "hello world"; char buf[256] Sometimes, I noticed that we either use, 1. array (buf) or use, 2. &array (&buf) or use 3. &array[0] (&buf[0]) as the beginning address of the array, example like, strcpy (buf, array); strcpy (&buf, array); ... I am wondering the differences between the 3 approaches, and which approach is the most correct? thanks in advance, George Tag: How to search files...? Tag: 284328
  - 4
    - conditionnal breakpoint with Cstring May be it is an obsvious question but i'll still asking How to set a conditional breakpoint with a string variable in Visual studio 2005 something like : BB.CompareNocase(_T("toto")) == 0 => CXX0052 or BB == _T("toto") don't work THX Tag: How to search files...? Tag: 284327
  - 5
    - Function pointer Hello everyone, In the following statements, [Code] template <class R, class T> class mem_fun_t : public unary_function <T*, R> { R (T::*pmf)() ... } [/Code] 1. I think pmf is a type of function pointer, the return type of the function is R and the function is a member function of type (class) T. Is my understanding correct? 2. If yes, what is the parameter list of the function? Empty parameter list? 3. I doubt whether it is useful to define a function pointer with empty parameter list -- too restricted. thanks in advance, George Tag: How to search files...? Tag: 284326
  - 6
    - __hook - C2039 - is not a member of HY! I have a problem hooking an event. I get an compiler error, that my callback isn´t a memeber of the containing class. I canßt find anything I am doing wrong. I found a small coed example which reproduces the compiler error. [object, uuid("99BE5DDB-0661-496E-BA84-8DE522E817C9"), dual, oleautomation] __interface ITest { }; [dispinterface, uuid("C3D67614-608A-44D1-BA7D-9586A21C14F4")] __interface ITestEvents { [id(1)] HRESULT TestEvent([in] ITest *pITest); }; [coclass, uuid("D3EDEB8D-0756-4705-B167-3939DD480DF3"), event_source(com), event_receiver(com)] class ATL_NO_VTABLE Test : public ITest { BEGIN_COM_MAP(Test) COM_INTERFACE_ENTRY(ITest) COM_INTERFACE_ENTRY(IDispatch) END_COM_MAP() __event __interface ITestEvents; public: HRESULT OnTestEvent(ITest *pITest) { return S_OK; } HRESULT FinalConstruct() { __hook(&ITestEvents::TestEvent, static_cast<ITest*>(this), &Test::OnTestEvent); return S_OK; } }; I see the compiler error "error C2039: 'OnTestEvent' : is not a member of 'Test'". Anyone else with the same error? Anybody got a good hint for me what is wrong? Ronny Tag: How to search files...? Tag: 284323
  - 7
    - Clipboard Env: WindowsXP, VC++6.00 I wonder how to know if the data on the Clipboard is changed. TIA ou Tag: How to search files...? Tag: 284314
  - 8
    - Toolbar plugin for Internet Explorer (need some help) Hi, I have been assigned to make a toolbar plugin for Internet Explorer. I have read some articles on this and would like to know if I am on the right track. So I would greatly appreciate if someone would give me answers to following questions: - Creating a toolbar means creating a "Browser Helper Object", which is nothing more than a COM object with something extra. Is this correct? - Can I build this with Visual C++ 2005 express edition? (I can use Visual Studio Professional at work, but at home I use the express edition.) Tag: How to search files...? Tag: 284312
  - 9
    - Good practice to handle exceptions? This is a special case of exception handling... try { // Exception thrown here ... } catch() { // Not sure what caused the exception // But do something here to make it up // If nothing van do, throw an excpetion again // try { ... } catch() { ... } } Is this a good practice or better solution for such case? Thanks in advance! Tag: How to search files...? Tag: 284305
  - 10
    - 2 malloc's not allowed ???? Hello, This again is probably a compiler issue. Your patients are very appreciated. I have declared two seperate pointers to two seperate arrays of strucutures on the heap. They are declared one after the other as shown at symbol (!!!) in code below. Am I not allowed to do this? Please view the errors after code example. Here is the code: ======================================ACM152.c #include <LCD.c> //LCD FUNCTIONS void main() {LCD_PAINTSCREEN(1);} ============================================ =========================================LCD.c #include <TCP.c> void LCD_PAINTSCREEN ( int FLASHSOURCE) { //(!!!) Declaing two pointers (pMCB and pXXX) pointing to two arrays of structures struct MCB* pMCB; pMCB = malloc(16*sizeof(struct MCB)); struct XXX* pXXX; //LINE 18 !!!! pXXX = malloc(176*sizeof(struct XXX)); free(pMCB); free(pXXX); } ============================================ =========================================TCP.c struct MCB{ int A0; int A1; int A2; }; struct XXX{ int B0; int B1; int B2;}; ================================================== Errors are: LINE 18 (1,7): "A numeric expression must apper here" LINE 19 (6,10): "Unidentified identifier" pXXXX LINE 22 (6,10): "Unidentified identifier" pXXXX I appreciate your much needed feedback!!! -- Best regards Robert Tag: How to search files...? Tag: 284303
  - 11
    - detecting uninitialized variable access? I'm getting different output from Debug and Release builds. The former appears more likely to be correct (it's not too obvious, because this program is doing lots of complicated floating point calculations) My first guess would be that there is uninitialized variable access. Is it possible to automatically detect it in Debug mode? P.S. I'm using Visual Studio 2005 Standard Tag: How to search files...? Tag: 284300
  - 12
    - Browse Info I am looking at Project settings in VC++ 6.0. Under the C/C++ tab there is an option that says "Generate browse info". Also, under the Browse Info tab there is an option that says "Build browse info file". I would expect one option for enabling browse info. Anyone know why there are two? Tag: How to search files...? Tag: 284294
  - 13
    - [Commercial] Windows Device Driver Training from Professionals. Hello All, With a growing demand for Windows System Professionals, we are pleased to announce a new weekend batch of "Windows Internals and Device Drivers" for working professionals and Engineers. Course Highlights: Windows Internals - It includes topics related to key components of system like - Thread scheduling, I/O, memory management, - Windows Security - Debugging using Win Dbg to explore windows internals. Windows Device Driver It deals with important driver-building and designing mechanisms - Windows Driver Model and development - PnP Concepts - Storage Stack - Device Driver building, debugging, writing installer. - Synchronization, Interrupts, PnP Filter drivers. Labs Carefully designed labs and exercises which will help participants to apply knowledge gained through lectures immediately in their assignments. You will also design, develop and debug a simple USB driver. Starting Date : Saturday, December 15, 2007. Duration : 1.5 months for each module Timings : Saturday and Sunday, 3 hours per day. Venue : Concepts Systems, Pune 602-603, The Pentagon, Shahu College Road, Next to Pune-Satara Road, Near Panchami Hotel, Parvati. Pune - 411009. Registration: We encourage you to register at the earliest since there are limited seats. About Us: Concepts Systems Educational Services has always been in forefront for providing software professionals and aspirants with best-of-the-breed technologies which ensure that professionals/students remain on the cutting edge of technology and continue to win their goals. If you have any queries feel free to call us on 020-24216888 / 9960638738 Or mail us at training@conceptssys.com. For customized on- site training for your team, send a mail to info@conceptssys.com. Thanks & Regards, Team, Concepts Systems. Tag: How to search files...? Tag: 284291
  - 14
    - go to a definition Many times in VC++ 6.0, I will try to go to a definition, and it pops up a MessageBox saying: --------------------------- Microsoft Visual C++ --------------------------- The symbol 'MyFunction' is undefined. --------------------------- OK --------------------------- Anyone know how to fix this? Tag: How to search files...? Tag: 284288
  - 15
    - C4744 - 'var' has different type in 'file1' and 'file2' I'm getting warning C4744 from the linker when building with LTCG. The following sample reproduces it: --------------------------- // Header.h #include <xmmintrin.h> class Vector; extern const Vector ZeroVector; class Vector { public: Vector( float x_, float y_, float z_, float w_ ) : x(x_), y(y_), z(z_), w(w_) {} union { struct { float x, y, z, w; }; __m128 q; }; }; --------------------------- // Source1.cpp #include "Header.h" const Vector ZeroVector( 0.0f, 0.0f, 0.0f, 0.0f ); --------------------------- // Source2.cpp #include "Header.h" #include <stdio.h> void main() { printf( "%f\n", ZeroVector.x ); } --------------------------- Is the warning erroneous? The compiler only emits it in LTCG builds - but could it cause bad code generation in other configs? What's the correct workaround here, the warning seems to go away only if I tag the declaration of ZeroVector with __declspec( align(16) ). Should it be necessary in this case though? -- Andy Tag: How to search files...? Tag: 284285
  - 16
    - Back to some basic stuff I don't know why I keep getting unresolved external symbols when I compile this code // File - prochead.cpp #include <stdio.h> #include <malloc.h> #include <process.h> #include <stdlib.h> //#include "resource.h" #include "newexe.h" //extern FILE *in, *rc; //extern BOOL bWindows3; //extern BOOL bDumpHeader; //extern struct ResourceTable *pResourceEntry; extern FILE *inFile, *rcFile; extern struct ResourceTable *pResourceEntry; void process_header(void); // file - ne.cpp #include <windows.h> #include <string> #include <ida.hpp> #include <idp.hpp> #include <loader.hpp> #include "newexe.h" extern FILE *inFile = NULL; extern FILE *rcFile = NULL; extern struct ResourceTable *pResourceEntry = NULL; ////////////////////////////////////////////////////// Error 1 error LNK2019: unresolved external symbol "struct ResourceTable * pResourceEntry" (?pResourceEntry@@3PAUResourceTable@@A) referenced in function "void __cdecl process_header(void)" (?process_header@@YAXXZ) prochead.obj Error 2 error LNK2019: unresolved external symbol "struct _iobuf * rcFile" (?rcFile@@3PAU_iobuf@@A) referenced in function "void __cdecl process_header(void)" (?process_header@@YAXXZ) prochead.obj Error 3 error LNK2019: unresolved external symbol "struct _iobuf * inFile" (?inFile@@3PAU_iobuf@@A) referenced in function "void __cdecl process_header(void)" (?process_header@@YAXXZ) prochead.obj The question is why.... can you show me how? Thanks Jack Tag: How to search files...? Tag: 284279
  - 17
    - Beginner GUI question I am writing a program in C++ and I want to add a GUI. This program will be more of an application and the GUI will probably get fairly complex. I am using Microsoft Visual C++, version 6.0 (very old). I would just as soon do it visually in the resource editor. I build a dialogue window and MSVC++ creates a .rct file. But now how do I call/instantiate this from my program? The basic call appears to be DialogBox(hInstance, MAKEINTRESOURCE(IDD_DIALOG1), NULL, DialogueProcess) where IDD_DIALOG1 is the name I gave it in the resource builder (original, huh?). When I try to compile though, IDD_DIALOG1 is undefined. Do I need to make a header file or .rc file by hand or something? Do I reference the dialogue in a different way? Is it a setting in the IDE somewhere? Am I going about this in altogether the wrong way? *** <a little off topic> Just for the sake of my pride if nothing else ... I'm not really a beginner, I've programmed in C, C++ and Java for years and written dozens of GUI applications in Java Swing. I googled for basic tutorials on Windows GUI programming and found a pretty good one (http://www.winprog.org/tutorial/) but the author dealt with this part by hand-editing a .rc and resources.h file himself ... there aren't really any docs on how he did this though. -- Joe Cosby http://joecosby.com/ Magister Mundi sum! :: Currently listening to Cello Concerto No.1 in C Major Moderato, 1768, by Haydn, from "Cello Concertos" Tag: How to search files...? Tag: 284275
  - 18
    - Thanks to Igor Tandetnik and Victor Bazarov Hi, I had a question about a week ago and you both responded. I got sidetracked, but when I got back to it, both your responses were EXTREMELY helpful. I am sorry it too so long to get back to you, but I wanted to make sure you knew that your help was appreciated and saved me a lot of searching for the answer. Thanks, Michael Tag: How to search files...? Tag: 284271
  - 19
    - Please help for C question! Hello fellows, I ran again in a little snag concerning questions. As you may already know from my previous posts, I am using a CCS compiler to compile my C code for a Microchip! So my problem might be compiler specific. But I don't think so. So I will ask this question in this news groups since I am not sure about the code myself. I am simply passing a pointer that points to an array of structures stored on the heap(or in my case in upper Ram of the microchip) In any case, C is C! I don't seem to be able to assign any values to my items of my structures. Please view code below and breif explaination of problem! Here is the code: ======================================ACM152.c #include <LCD.c> //LCD FUNCTIONS void main() {LCD_PAINTSCREEN(1);} ============================================ =========================================LCD.c #include <TCP.c> //TEXT CODE PAGE void LCD_PAINTSCREEN ( int FLASHSOURCE) { struct MCB* pMCB; pMCB = malloc(16*sizeof(struct MCB)); LCD_GETMSG_MCB(pMCB); free(pMCB); } ============================================ =========================================TCP.c struct MCB{ int ENDOFCHAR; //:TRUE:=End of char / :FALSE:=Valid char int A0; //LSB OF MESSAGE ADDRESS IN PAR FLASH int A1; //MIDSB OF MESSAGE ADDRESS IN PAR FLASH int A2; //MSB OF MESSAGE ADDRESS IN PAR FLASH int LEADING_PIX; //LEADING SPACES, BEFORE CHARACTER int TRAILLIG_PIX; //TRAILLING SPACES, AFTER CHARACTER int CHARSPACING; //SPACES BETWEEN CHARACTERS int CHAR_TRSP; //CHARACTER TRANSPARENCY int mCHAR_BCOLOR; //MSB OF BACK COLOR int lCHAR_BCOLOR; //LSB OF BACK COLOR int mTEXT_COLOR; //MSB OF TEXT COLOR int lTEXT_COLOR; //LSB OF TEXT COLOR }; void LCD_GETMSG_MCB( struct MCB* pMCB) { pMCB[0].ENDOFCHAR = 1; //"1" does not get assigned to the item?? } ================================================== The program compiles without errors! But for some reason, I am not able to assign the value of "1" to the ENDOFCHAR item of the MCB, please see this in the TCP.c file above. Can someone please help ! All feedback appreciated. -- Best regards Robert Tag: How to search files...? Tag: 284258
  - 20
    - Calling VC++ dll in exe (VC++) Hi everyone, I'm trying to call a DLL that I created using Microsoft Visual C++ 6.0 in an win32 Console Application.The DLL contains the function(Getarray) I'd like to call in the win32 Console Application.I put the DLL into C:\windows\system32. As I got the error message: error C2065: 'Getarray' : undeclared identifier.... I put the DLL into the directory where the executable for the win32 Console application was to be created.But I still have the same error message.By creating the DLL I included in the project a .def file in order to export the DLL.I also specified the .lib file under Project Settings->Link->Object/Library- Module and I can't understand why the function can't be found..... Thanks Tag: How to search files...? Tag: 284251
  - 21
    - Unsigned long long typedef Hello, Can somebody explain why the compiler fails to compile the following C++ code : typedef long long bigint; int test() { unsigned bigint ullVar(0); } error C2146: syntax error : missing ';' before identifier 'ullVar' error C3861: 'ullVar': identifier not found Excerpt from the Microsoft Visual Studio 2005 Documentation: typedef declarations do not introduce new types â?? they introduce new names for existing types. No problems when I use unsigned in the typedef: typedef unsigned long long ubigint; int test() { ubigint ullVar(0); } So I wonder, is this a bug in the compiler? TIA Tag: How to search files...? Tag: 284246
  - 22
    - ambiguous overloaded function. backprop_result(MyAnn::backPropgration<double, std::vector>(MultiLayerNeuron, 1.9, 8, 10, 12)); // debugtest.cpp line 70. template <typename T, template <typename ELEM, typename = std::allocator<ELEM> > class CONT > CONT<CONT<T> > backPropgration( const typename multiLayerExample<T, CONT>::mapInOut& examples, const T& rate, const typename CONT<T>::size_type& nIn, const typename CONT<T>::size_type& nOut, const typename CONT<T>::size_type& nHidden ); // inside backproagation.hpp template <typename T, template <typename ELEM, typename = std::allocator<ELEM> > class CONT > CONT<CONT<T> > backPropgration( const typename multiLayerExample<T, CONT>::mapInOut& examples, const T& rate, const typename CONT<T>::size_type& nIn, const typename CONT<T>::size_type& nOut, const typename CONT<T>::size_type& nHidden ) { // definition of code. } // this is inside backproapation.cpp Here is my error: ./cs461/c++/debugtest.cpp(70) : error C2668: 'MyAnn::backPropgration' : ambiguous call to overloaded function c:\cpw\msvc\cs461\c++\cppdef/backproagation.cpp(141): could be 'std::vector<_Ty> MyAnn::backPropgration<double,std::vector>(const std::map<_Kty,_Ty> &,const T &,const unsigned int &,const unsigned int &,const unsigned int &)' with [ _Ty=std::vector<double>, _Kty=std::vector<std::vector<double>>, T=double ] c:\cpw\msvc\cs461\c++\cppdef\../backpropagation.hpp(22): or 'std::vector<_Ty> MyAnn::backPropgration<double,std::vector>(const std::map<_Kty,_Ty> &,const T &,const unsigned int &,const unsigned int &,const unsigned int &)' with [ _Ty=std::vector<double>, _Kty=std::vector<std::vector<double>>, T=double ] while trying to match the argument list '(std::map<_Kty,_Ty>, double, int, int, int)' with [ _Kty=std::vector<std::vector<double>>, _Ty=std::vector<double> ] Tag: How to search files...? Tag: 284239
  - 23
    - Two function prototypes in two separate .h files Hi, I am beginner to C++ but not to C, though I worked on C some 15 years ago. So I need some help. I was implementing a call to EnumEnhMetaFile () function as per the docs on MSDN. Its prototype is: EnumEnhMetaFile (HDC hdc, ..., CONST RECT * lpRect); I have given only those args that are problematic. Before calling this function, I coded as given below, taking a cue from an example on MSDN. HDC hDc; hDC = GetDC (hWnd); RECT * lpRect; GetClientRect (hWnd, lpRect); bOK = EnumEnhMetaFile (hDc, ..., lpRect); I get compilation errors as follows: 1. On GetDC, it says no args allowed. Also GetDC returns a "CDC *" and not of HDC. 2. On GetClientRect, it says it takes only one arg. If I use "GetClientRect (lpRect)", it compiles but crashes on running. When I try to go to definitions, they point to the prototypes in "afxwin.h" and not to that in "winuser.h". My queries are: 1. How can I force the prototype in winuser.h rather than that in afxwin.h? 2. If that is not desirable or not possible, can I cast "CDC *" to "HDC" so that my code will be as: CDC * pDc; pDC = GetDC ( ); RECT * lpRect = 0; bOK = EnumEnhMetaFile (pDc, ..., lpRect); 3. Which is the forum for discussing GDI issues? ThanQ... Tag: How to search files...? Tag: 284224
  - 24
    - Modify a project in a solution Hi All I have a solution there are nine projects in it. For example ,I modify a file in a project named projectA. Then I build this project. Why the projectA is also builded. But the projectA has no relationship with projectB. What is the problem? Tag: How to search files...? Tag: 284199
  - 25
    - C++: mutable keyword Hi All, Mutable keyword can be used only with class and structure data members, that are 'non-static' and 'non-const'. Can someone tell me what is the reason behind this constraint? Why 'static' and 'const' data members cannot be made mutable? Thanks in advance Tag: How to search files...? Tag: 284189
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  - 1
    - Change size of dialog in runtime I have a dialog that inherits from CSimpleDialog. does anyone know how to change the size of the dialog in runtime. I have tried using setwindowpos with no success. My dialog contains a edit box. Does the edit box need to be resized before the dialog box? Thanks. Tag: How to search files...? Tag: 284175
  - 2
    - CStatusBar Hello, i'm writing a Data acquisition software. when i start the recording i wanted to show the elapsed time in the status bar and once the recording is stopped, the status bar should show "Rec Stopped" My code is as follows static UINT BASED_CODE indicators[] ={ ID_SEPARATOR, // status line indicator ID_STATUS_BAR_SAVE, IDS_STATUS_MEASURE, ID_INDICATOR_ONLINE, ID_STATUSBAR_CONFIG, }; int CParentFrame::OnCreate(LPCREATESTRUCT lpCS){ //if(CMDIFrameWnd::OnCreate(lpCS) == -1) return -1; if(CreateAndDockToolBar() == -1) return -1; m_pMenu = new CMenu(); m_pMenu->LoadMenu("MAINMENU"); CreateClient(lpCS,m_pMenu->GetSubMenu(0)); //SetMenu(pMenu); size_t sizeIndicator; sizeIndicator = sizeof(indicators); //m_wndToolBar = new CToolBar(); if (!m_wndStatusBar.Create(this) ||! m_wndStatusBar.SetIndicators(indicators, sizeof(indicators)/ sizeof(UINT))){ TRACE0("Failed to create status bar\n"); return -1; // fail to create } //CStatusBarCtrl &m_csb = m_wndStatusBar.GetStatusBarCtrl(); if(CMDITabFrameWnd::CreateTabs() == -1) return -1; UINT nID, nStyle; int cxWidth; int nIndex = m_wndStatusBar.CommandToIndex(ID_STATUS_BAR_SAVE); m_wndStatusBar.GetPaneInfo(nIndex, nID, nStyle, cxWidth); m_wndStatusBar.SetPaneInfo(nIndex, nID, nStyle | SBT_OWNERDRAW, cxWidth); return 0; } void CParentFrame::UpdateStatusBarText(jcStr *ptrText){ UINT uiPane; UINT uiStyle; int uiWidth; CRect rectPane; int nIndex = m_wndStatusBar.CommandToIndex(IDS_STATUS_MEASURE); //the program crash in debug //right here or any way i used m_wndStatusBar m_wndStatusBar.GetPaneInfo(nIndex, uiPane, uiStyle, uiWidth); CDC *pDC; pDC = m_wndStatusBar.GetDC(); pDC->SelectObject(m_wndStatusBar.GetFont()); pDC->DrawText(_T(ptrText->ReturnStr()), -1, rectPane, DT_CALCRECT); m_wndStatusBar.ReleaseDC(pDC); m_wndStatusBar.SetPaneInfo(nIndex, uiPane, uiStyle, rectPane.Width()); m_wndStatusBar.SetPaneText(nIndex, ptrText->ReturnStr()); } where jcStr is an object similar to CString i created a thread which updates the string pointer every 1 second and calls the above function to update the status bar. also when i ran the same application on a different computer(the release mode) then status bar would not show the elapsed time, while it shows the same in my computer please point me in the right direction jc Tag: How to search files...? Tag: 284168
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    - The applicatioin failed to initialize properly 0xc0000034-please help Hi All I have encounter really confusing problem which makes me sick after three days of research. I just migrate my project from visual C++ 2003 to visual C++ 2008 express. My application is ment to be executed by shellExecute function by other process (other application). After migration my app finishes immidiatly with 0xc0000034 error code (other words app builded with vc 7.1 works fine and app builded with vc 9.0 failed to initialize). Interesting thing is when I doubleclick my app (vc9.0 builded) it works just fine (watch second windbg log). Please help me. Thanks in advance. Marcin *** wait with pending attach Symbol search path is: *** Invalid *** **************************************************************************** * Symbol loading may be unreliable without a symbol search path. * * Use .symfix to have the debugger choose a symbol path. * * After setting your symbol path, use .reload to refresh symbol locations. * **************************************************************************** Executable search path is: ModLoad: 00400000 007db000 C:\Program Files\co3.pl\plv\plv.exe ModLoad: 7c900000 7c9b2000 C:\WINDOWS\system32\ntdll.dll ModLoad: 7c800000 7c8fb000 C:\WINDOWS\system32\kernel32.dll ModLoad: 71a50000 71a67000 C:\WINDOWS\system32\WS2_32.dll ModLoad: 77c00000 77c58000 C:\WINDOWS\system32\msvcrt.dll ModLoad: 71a40000 71a48000 C:\WINDOWS\system32\WS2HELP.dll ModLoad: 77dc0000 77e6c000 C:\WINDOWS\system32\ADVAPI32.dll ModLoad: 77e70000 77f01000 C:\WINDOWS\system32\RPCRT4.dll ModLoad: 5f190000 5f25c000 C:\WINDOWS\system32\OPENGL32.dll ModLoad: 77f10000 77f56000 C:\WINDOWS\system32\GDI32.dll ModLoad: 77d30000 77dc0000 C:\WINDOWS\system32\USER32.dll ModLoad: 5c8f0000 5c911000 C:\WINDOWS\system32\GLU32.dll ModLoad: 736f0000 73739000 C:\WINDOWS\system32\DDRAW.dll ModLoad: 73b50000 73b56000 C:\WINDOWS\system32\DCIMAN32.dll ModLoad: 10000000 10050000 C:\Program Files\co3.pl\plv\physfs_d.dll ModLoad: 10200000 10323000 C:\Program Files\co3.pl\plv\MSVCR90D.dll ModLoad: 007e0000 00d7e000 C:\Program Files\co3.pl\plv\coGUI_d.dll ModLoad: 7c9c0000 7d1db000 C:\WINDOWS\system32\SHELL32.dll ModLoad: 77f60000 77fd6000 C:\WINDOWS\system32\SHLWAPI.dll ModLoad: 00d80000 00e20000 C:\Program Files\co3.pl\plv\coNET_d.dll ModLoad: 6ff40000 6ff94000 C:\WINDOWS\system32\NETAPI32.dll ModLoad: 10480000 10556000 C:\Program Files\co3.pl\plv\MSVCP90D.dll ModLoad: 76b20000 76b4e000 C:\WINDOWS\system32\WINMM.dll ModLoad: 00e20000 00f22000 C:\Program Files\co3.pl\plv\DevIL.dll ModLoad: 003c0000 003f6000 C:\Program Files\co3.pl\plv\libpng13.dll ModLoad: 78520000 785c3000 C:\Program Files\co3.pl\plv\MSVCR90.dll ModLoad: 00f40000 00f52000 C:\Program Files\co3.pl\plv\DevILU.dll ModLoad: 00f70000 00f7a000 C:\Program Files\co3.pl\plv\DevILUT.dll ModLoad: 771a0000 77247000 C:\WINDOWS\system32\WININET.dll ModLoad: 77a70000 77b05000 C:\WINDOWS\system32\CRYPT32.dll ModLoad: 77b10000 77b22000 C:\WINDOWS\system32\MSASN1.dll ModLoad: 77110000 7719c000 C:\WINDOWS\system32\OLEAUT32.dll ModLoad: 774d0000 7760c000 C:\WINDOWS\system32\ole32.dll ModLoad: 76380000 763c9000 C:\WINDOWS\system32\COMDLG32.dll ModLoad: 5d520000 5d5b7000 C:\WINDOWS\system32\COMCTL32.dll (810.f58): Break instruction exception - code 80000003 (first chance) eax=7ffda000 ebx=00000001 ecx=00000002 edx=00000003 esi=00000004 edi=00000005 eip=7c901230 esp=00f9ffcc ebp=00f9fff4 iopl=0 nv up ei pl zr na pe nc cs=001b ss=0023 ds=0023 es=0023 fs=0038 gs=0000 efl=00000246 *** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\WINDOWS\system32\ntdll.dll - ntdll!DbgBreakPoint: 7c901230 cc int 3 0:001> g (810.670): Unknown exception - code c0000034 (first chance) (810.670): Unknown exception - code c0000034 (!!! second chance !!!) eax=0012fc54 ebx=00000000 ecx=0012fc80 edx=7c90eb94 esi=7ffda000 edi=c0000034 eip=7c964ed1 esp=0012fc54 ebp=0012fca4 iopl=0 nv up ei pl zr na pe nc cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00000246 ntdll!RtlRaiseStatus+0x26: 7c964ed1 c9 leave 0:000> !analyze -v ******************************************************************************* * * * Exception Analysis * * * ******************************************************************************* ***** OS symbols are WRONG. Please fix symbols to do analysis. ************************************************************************* *** *** *** *** *** Your debugger is not using the correct symbols *** *** *** *** In order for this command to work properly, your symbol path *** *** must point to .pdb files that have full type information. *** *** *** *** Certain .pdb files (such as the public OS symbols) do not *** *** contain the required information. Contact the group that *** *** provided you with these symbols if you need this command to *** *** work. *** *** *** *** Type referenced: ntdll!_PEB *** *** *** ************************************************************************* *** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\WINDOWS\system32\kernel32.dll - ********************************************************************* * Symbols can not be loaded because symbol path is not initialized. * * * * The Symbol Path can be set by: * * using the _NT_SYMBOL_PATH environment variable. * * using the -y <symbol_path> argument when starting the debugger. * * using .sympath and .sympath+ * ********************************************************************* ************************************************************************* *** *** *** *** *** Your debugger is not using the correct symbols *** *** *** *** In order for this command to work properly, your symbol path *** *** must point to .pdb files that have full type information. *** *** *** *** Certain .pdb files (such as the public OS symbols) do not *** *** contain the required information. Contact the group that *** *** provided you with these symbols if you need this command to *** *** work. *** *** *** *** Type referenced: ntdll!_PEB *** *** *** ************************************************************************* ************************************************************************* *** *** *** *** *** Your debugger is not using the correct symbols *** *** *** *** In order for this command to work properly, your symbol path *** *** must point to .pdb files that have full type information. *** *** *** *** Certain .pdb files (such as the public OS symbols) do not *** *** contain the required information. Contact the group that *** *** provided you with these symbols if you need this command to *** *** work. *** *** *** *** Type referenced: kernel32!pNlsUserInfo *** *** *** ************************************************************************* ************************************************************************* *** *** *** *** *** Your debugger is not using the correct symbols *** *** *** *** In order for this command to work properly, your symbol path *** *** must point to .pdb files that have full type information. *** *** *** *** Certain .pdb files (such as the public OS symbols) do not *** *** contain the required information. Contact the group that *** *** provided you with these symbols if you need this command to *** *** work. *** *** *** *** Type referenced: kernel32!pNlsUserInfo *** *** *** ************************************************************************* FAULTING_IP: ntdll!RtlRaiseStatus+26 7c964ed1 c9 leave EXCEPTION_RECORD: ffffffff -- (.exr 0xffffffffffffffff) ExceptionAddress: 7c964ed1 (ntdll!RtlRaiseStatus+0x00000026) ExceptionCode: c0000034 ExceptionFlags: 00000001 NumberParameters: 0 FAULTING_THREAD: 00000670 BUGCHECK_STR: c0000034 DEFAULT_BUCKET_ID: WRONG_SYMBOLS PROCESS_NAME: plv.exe MODULE_NAME: ntdll FAULTING_MODULE: 7c900000 ntdll DEBUG_FLR_IMAGE_TIMESTAMP: 411093b2 ERROR_CODE: (NTSTATUS) 0xc0000034 - Nie odnaleziono nazwy obiektu. LAST_CONTROL_TRANSFER: from 7c93f8fb to 7c964ed1 STACK_TEXT: WARNING: Stack unwind information not available. Following frames may be wrong. 0012fca4 7c93f8fb c0000034 0012fd30 00390038 ntdll!RtlRaiseStatus+0x26 0012fd1c 7c90eac7 0012fd30 7c900000 00000000 ntdll! RtlInitializeSListHead+0x68eb 00000000 00000000 00000000 00000000 00000000 ntdll!KiUserApcDispatcher +0x7 FOLLOWUP_IP: ntdll!RtlRaiseStatus+26 7c964ed1 c9 leave SYMBOL_STACK_INDEX: 0 SYMBOL_NAME: ntdll!RtlRaiseStatus+26 FOLLOWUP_NAME: MachineOwner IMAGE_NAME: ntdll.dll STACK_COMMAND: ~0s ; kb BUCKET_ID: WRONG_SYMBOLS FAILURE_BUCKET_ID: ntdll.dll!base_address_c0000034_WRONG_SYMBOLS Followup: MachineOwner --------- ------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------- *** wait with pending attach Symbol search path is: *** Invalid *** **************************************************************************** * Symbol loading may be unreliable without a symbol search path. * * Use .symfix to have the debugger choose a symbol path. * * After setting your symbol path, use .reload to refresh symbol locations. * **************************************************************************** Executable search path is: ModLoad: 00400000 007db000 c:\Program Files\Casino3.pl\plv\plv.exe ModLoad: 7c900000 7c9b2000 C:\WINDOWS\system32\ntdll.dll ModLoad: 7c800000 7c8fb000 C:\WINDOWS\system32\kernel32.dll ModLoad: 71a50000 71a67000 C:\WINDOWS\system32\WS2_32.dll ModLoad: 77c00000 77c58000 C:\WINDOWS\system32\msvcrt.dll ModLoad: 71a40000 71a48000 C:\WINDOWS\system32\WS2HELP.dll ModLoad: 77dc0000 77e6c000 C:\WINDOWS\system32\ADVAPI32.dll ModLoad: 77e70000 77f01000 C:\WINDOWS\system32\RPCRT4.dll ModLoad: 5f190000 5f25c000 C:\WINDOWS\system32\OPENGL32.dll ModLoad: 77f10000 77f56000 C:\WINDOWS\system32\GDI32.dll ModLoad: 77d30000 77dc0000 C:\WINDOWS\system32\USER32.dll ModLoad: 5c8f0000 5c911000 C:\WINDOWS\system32\GLU32.dll ModLoad: 736f0000 73739000 C:\WINDOWS\system32\DDRAW.dll ModLoad: 73b50000 73b56000 C:\WINDOWS\system32\DCIMAN32.dll ModLoad: 10000000 10050000 c:\Program Files\Casino3.pl\plv \physfs_d.dll ModLoad: 10200000 10323000 c:\Program Files\Casino3.pl\plv \MSVCR90D.dll ModLoad: 007e0000 00d7e000 c:\Program Files\Casino3.pl\plv \CasinoGUI_d.dll ModLoad: 7c9c0000 7d1db000 C:\WINDOWS\system32\SHELL32.dll ModLoad: 77f60000 77fd6000 C:\WINDOWS\system32\SHLWAPI.dll ModLoad: 00d80000 00e20000 c:\Program Files\Casino3.pl\plv \CasinoNET_d.dll ModLoad: 6ff40000 6ff94000 C:\WINDOWS\system32\NETAPI32.dll ModLoad: 10480000 10556000 c:\Program Files\Casino3.pl\plv \MSVCP90D.dll ModLoad: 76b20000 76b4e000 C:\WINDOWS\system32\WINMM.dll ModLoad: 00e20000 00f22000 c:\Program Files\Casino3.pl\plv\DevIL.dll ModLoad: 003c0000 003f6000 c:\Program Files\Casino3.pl\plv \libpng13.dll ModLoad: 78520000 785c3000 c:\Program Files\Casino3.pl\plv \MSVCR90.dll ModLoad: 00f40000 00f52000 c:\Program Files\Casino3.pl\plv \DevILU.dll ModLoad: 00f70000 00f7a000 c:\Program Files\Casino3.pl\plv \DevILUT.dll ModLoad: 771a0000 77247000 C:\WINDOWS\system32\WININET.dll ModLoad: 77a70000 77b05000 C:\WINDOWS\system32\CRYPT32.dll ModLoad: 77b10000 77b22000 C:\WINDOWS\system32\MSASN1.dll ModLoad: 77110000 7719c000 C:\WINDOWS\system32\OLEAUT32.dll ModLoad: 774d0000 7760c000 C:\WINDOWS\system32\ole32.dll ModLoad: 76380000 763c9000 C:\WINDOWS\system32\COMDLG32.dll ModLoad: 5d520000 5d5b7000 C:\WINDOWS\system32\COMCTL32.dll ModLoad: 773c0000 774c2000 C:\WINDOWS\WinSxS \x86_Microsoft.Windows.Common- Controls_6595b64144ccf1df_6.0.2600.2180_x-ww_a84f1ff9\comctl32.dll ModLoad: 769a0000 76a54000 C:\WINDOWS\system32\userenv.dll ModLoad: 719f0000 71a30000 C:\WINDOWS\system32\mswsock.dll ModLoad: 66780000 667d8000 C:\WINDOWS\system32\hnetcfg.dll ModLoad: 71a30000 71a38000 C:\WINDOWS\System32\wshtcpip.dll (dac.9e4): Break instruction exception - code 80000003 (first chance) eax=7ffd6000 ebx=00000001 ecx=00000002 edx=00000003 esi=00000004 edi=00000005 eip=7c901230 esp=0196ffcc ebp=0196fff4 iopl=0 nv up ei pl zr na pe nc cs=001b ss=0023 ds=0023 es=0023 fs=0038 gs=0000 efl=00000246 *** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\WINDOWS\system32\ntdll.dll - ntdll!DbgBreakPoint: 7c901230 cc int 3 Tag: How to search files...? Tag: 284166
  - 4
    - [vc7.1] #ifdef vista ? in VC7.1, is there a way to found out that your compiling on vista ? thanks yomgui Tag: How to search files...? Tag: 284164
  - 5
    - ostringstream x.str() does not return (char*) I have a code fragment in VS8 (VS.2005): char* fn() { ostringstram x; x << "text"; return x.str(); } It returns and error message: C2440: 'return' : cannot convert from 'std::basic_std::basic_sgtring<_Elem,_Traits,_Ax>' to 'char *' The online help says x.str() return 'char *str( );" Tracing through the examples, 'x.rdbuf()->str()'; has the same result.' What in tarnation am I missing? Tag: How to search files...? Tag: 284161
  - 6
    - TCHAR * to WCHAR* I am trying to use a function that accepts WCHAR* like: fn_name(err.ErrorMessage()) 1) err.ErrorMessage() returns TCHAR* and so I am getting the following error: cannot convert parameter 1 from 'const TCHAR *' to 'WCHAR *'. 2) Also, Is there an easy way to concatenate WCHAR type strings to use fn_name like: fn_name ("Error: " + err.ErrorMessage()); 3) Finally, I how do I do something like: fn_name("Error Msg: %d", intCount); ?? Any help is greatly appreciated. Thanks in advance. Tag: How to search files...? Tag: 284151
  - 7
    - Babylon cause a crash Hi, My application crashes when using babylon (It happens after invoking babylon several times). Does anyone know what might cause it ? thanks, Yoav. Tag: How to search files...? Tag: 284150
  - 8
    - Struct or class? Hello everyone, Multiplies is a struct, why MSDN said it is a class? http://msdn2.microsoft.com/en-us/library/a5hwk3ay(VS.80).aspx thanks in advance, George Tag: How to search files...? Tag: 284138
  - 9
    - SEO Services I will hands down say that I hate seo firms but I must say that Atomic SEO is the only true seo firm that I have ever seen. http://www.atomicsearchengineoptimization.com So I wanted to know what you guys thought of there seo services. Tag: How to search files...? Tag: 284136
  - 10
    - typename and sizeof Hi to all, quite surprisingly, we discovered that inside 'sizeof', the keyword 'typename' is not required. apparently, sizeof does not care if -say- A<T>::type is a type(def) or a static member. for example, this compiles in Comeau compiler online: template <class T> struct A { typedef char type;}; template <class T> struct B { static const int N = sizeof(A<T>::type); // note 'typename' missing here }; int main() { return B<int>::N; } while it obviously gives error if we try to declare a member in B, whose type is A<T>::type (without 'typename'). it still compiles if I add a partial specialization where 'type' is not a type template <> struct A<int> { static const int type = -99; }; Is this fact documented in the standard? I think it's not explicitly mentioned in "C++ Templates - The Complete Guide" by Vandevoorde/Josuttis. Tag: How to search files...? Tag: 284129
  - 11
    - Modeless dialog in IE through ATL/COM dll Hello, I am creating a ATL/COM component(dll) which adds the context menu in IE. After clicking on that menu it calls annother ATL/COM componet which shows the Modeless HTML dialog box. The problem is everything opens fine but suppose when i right click conext menu and that opens the other HTML Modeless dialog. as it is Modeless I can also click on IE's any web page. When i click on any link it open another instance of IE. And when I closes that 2nd intance of IE i got exception of memory in my dll workspace. [Unhandled exception at 0x777849cc in iexplore.exe: 0xC0000005: Access violation reading location 0xeee9bee8.] In Debug mode it shows the pointer here in dbgheap.c file's extern "C" void * __cdecl _heap_alloc_dbg(size_t nSize, int nBlockUse, const char * szFileName, int nLine ) { ................ } __finally { /* unlock the heap */ _munlock(_HEAP_LOCK); <---- Here it shows the problem } return retval; } -------------------------------------------------------------------------------------------------- And in Release mode: void __cdecl __addlocaleref( pthreadlocinfo ptloci) { .... InterlockedIncrement(&(ptloci->lc_time_curr->refcount)); <---- Here it shows the problem } ----------------------------------------------------------------------------------------------------- This is My Code snippet of creating HTML modeless dialog CMMBDHTMLDlg *dlg = new CMMBDHTMLDlg(); dlg->m_strType.Empty(); dlg->m_strType=L"2"; //img case dlg->m_strSelItem=CString(strlink); QueryInterface(IID_IMMBUICOMP,(void**) &dlg->pComp); dlg->m_strUser=CString(p_bstrUserID); dlg->Create(MAKEINTRESOURCE(IDD_MMBDHTMLDLG)); dlg->ShowWindow(SW_NORMAL); I am deleting dlg here in CMMBDHTMLDlg class's void CMMBDHTMLDlg::PostNcDestroy() { CDHtmlDialog::PostNcDestroy(); delete this; } Please tell me the issue..... Klic Tag: How to search files...? Tag: 284127
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    - The one source for SEO Services After using 10 different seo companies over the last 2 years for all my sites the only one that got me the conversion rates like I wanted was http://www.atomicsearchengineoptimization.com Atomic SEO. Tag: How to search files...? Tag: 284126
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    - Passing an already declarted array of structures! Hello, Another tip on structures would greatly be appreciated! Consider the following: ==================================================== struct S { int x; int y; }y[]={1,2,3,4}; //Now array of this structure is declared at the same time the structure is declared! //Declare a function that is supposed to take a pointer to the array of sturctures! void f(S* p, int size) { for (int i = 0; i < size; ++i) { DoSomething(p[i].x); } } //Calling function f(y, 100); ======================================== I am trying to pass the already declared array of structures to the f function by the code shown above! I get the following error! "Identifier is already used in this scope" I know if I declare the array of structures seperately it works, but suppose one wants to declare everyting at once as done above, how would he go about it? With great appreciations for your help! -- Best regards Robert Tag: How to search files...? Tag: 284107
  - 14
    - Template instantiation issue Hello, I was hoping someone could help, I have some code that compiles on GCC but throws a warning with VS2005. Another developer and I have looked at it and cannot spot what the problem is. //build output 1>.\Deprecated\src\mathSupport.cpp(716) : warning C4667: 'double Mantid::polFit(const double &,const int,std::_Vector_const_iterator<_Ty,_Alloc>,std::_Vector_const_iterator<_Ty,_Alloc>)' : no function template defined that matches forced instantiation 1> with 1> [ 1> _Ty=double, 1> _Alloc=std::allocator<double> 1> ] //template declaration in .h template<typename TX,typename TY> TY polFit(const TX&,const int, typename std::vector<TX,std::allocator< TX > >::const_iterator, typename std::vector<TY,std::allocator< TY > >::const_iterator); //Template instantiation in .cpp template double polFit(const double&,const int, std::vector<double,std::allocator< double> >::const_iterator, std::vector<double,std::allocator< double> >::const_iterator); //Template definition in cpp template<typename Xtype,typename Ytype> Ytype polFit(const Xtype& Aim,const int Order, typename std::vector<Xtype,std::allocator< Xtype> >::const_iterator X, typename std::vector<Ytype,std::allocator< Ytype> >::const_iterator Y) Thanks for your help. Tag: How to search files...? Tag: 284098
  - 15
    - Template Code compile errors Hi All, I have obtained some heavily templated open-source code, and using VS8 it will not compile. The errors I am getting don't make sense, for example - cell.hh(110) : error C2244: 'olb::Cell<T,Lattice>::iniEquilibrium' : unable to match function definition to an existing declaration 1> cell.h(129) : see declaration of 'olb::Cell<T,Lattice>::iniEquilibrium' 1> definition 1> 'void olb::Cell<T,Lattice>::iniEquilibrium(T,const T [Lattice<T>::d])' 1> existing declarations 1> 'void olb::Cell<T,Lattice>::iniEquilibrium(T,const T [Lattice<T>::d])' This is a very typical error report, most of them are indeed C2244 ... The part which doesn't make sense to me is that the 'definition' seems to exactly match the 'declaration' ... what gives ? Not being a c++ expert by any means, I am at a loss - even for something to try. Any constructive comments would be much appreciated ! Sincerely, -- gordon Tag: How to search files...? Tag: 284097
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    - compile error about member variable initialization Hello everyone, Why the below code segment will result in compile error? When I change code to the comment one (constructor), it can compile. The compiler is too stupid? :-) I am using Visual Studio 2005. -------------------- main.cpp(13) : error C2758: 'Foo::vi' : must be initialized in constructor base/member initializer list see declaration of 'Foo::vi' -------------------- [Code] #include <vector> using namespace std; class Foo { private: vector<int>& vi; public: Foo (vector<int>& vi_in) { vi = vi_in; } /* Foo (vector<int>& vi_in) : vi (vi_in) { } */ }; int main() { vector<int> vi; Foo foo = Foo (vi); return 0; } [/Code] thanks in advance, George Tag: How to search files...? Tag: 284080
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    - MFC Programming with Visual C++ 6 Unleshed (Source Code) Hi, Does anybody know where can I get this source code? Thanks in advace, Jose Luis Tag: How to search files...? Tag: 284076
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    - How would you attack this problem? inline int DistanceMacro (D3DXVECTOR3 pta, D3DXVECTOR3 ptb) { return gSqrtTable[(ptb.x > pta.x ? ptb.x - pta.x : pta.x - ptb.x)][(ptb.y > pta.y ? ptb.y - pta.y : pta.y - ptb.y)]; } In the above snippet, the array requires an integral type, otherwise, it won't compile. D3DXVECTOR3 is fixed to be a structure of floats, but I also need to use this to reference the array. I shouldn't make a cast too, it would cause discrepancy.... What is your opinion? Thanks Jack Tag: How to search files...? Tag: 284071
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    - Access function in a DLL from vbScript All, I would like to write a DLL with a few function that are not available in WMI. I know how to write a dll but is there anything special that I must add to it if I want to be able to you the function from with in it. I know it involves COM\ALT but I have never did any COM\ALT projects. If someone can provide a basic sample project or point me to a good tutorial on the net, that would be great. Example: In the dll there will be a function call GetMountPoint() in my VBScript I want to do: Set oMydll = CreateObject("MyDll") oMydll.GetMountPoint() How can I do this. Thanks in advance. Tag: How to search files...? Tag: 284063
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    - Identify process from HMENU? Suppose a shell context menu extension wants to add an item to a right-click context menu only if the creation of that menu was done in a particular app (which uses SysListView32 windows). Is it possible to use the HMENU supplied to IContextMenu::QueryContextMenu() to track down the app owning the SysListView32 window in which the right-click happened (or perhaps there's another way to track down the app from within the shell extension DLL)? Thanks. -- - Vince Tag: How to search files...? Tag: 284061
  - 21
    - C4244 I'm implement ISerializeStream on top of another stream library. ISerializeStream gives lengths as ULONGLONG while the other library uses size_t. I write correct code to ensure that data larger than the largest size_t gets broken into multiple reads. However, even after ensuring that the ULONGLONG value is appropriate, I can't put it into the size_t without getting C4244. What's the proper way to avoid this message in proper code like this? (I'd hate to have to use #pragma disable). Mike Tag: How to search files...? Tag: 284054
  - 22
    - VS 2005/C++/x64 Hi... We're taking a pile of our old C++ and C# projects over to an x64 environment and we're running into some oddities. I've found some article referencing some of the pitfalls but also some things that just aren't lining up. We've added the x64 platform configuration to the solution and that's what we're trying to build with. 1) our C++ projects are using pre-compiled headers, but if we build 32-bit first then x64 we don't get a full list of compatibility problems. Uncheck pre-compiled headers and it explodes. Are pre-compiled headers just not supposed to be used for cross-platform builds? 2) I found articles saying int and long are still 16 and 32-bits respectively even with an x64 bit while size_t, time_t and others supposedly become 64-bit (major source of compiler warnings) *but* 2a) when I mouse over a size_t declaration in my code in VS, it says "typedef unsigned int size_t;" Shouldn't that be unsigned __int64? Of course you can't find which include file's typedef is being used easily. Is the intellisense just wrong? 2b) when I went searching the VC++ includes for size_t declarations I found that time.h has #if !defined (_WIN32) #error ERROR: Only Win32 target supported #endif but then lower down has #ifndef _SIZE_T_DEFINED #ifdef _WIN64 typedef unsigned __int64 size_t; #else typedef _W64 unsigned int size_t; #endif #define _SIZE_T_DEFINED #endif and *still* lower down has #ifndef _SIZE_T_DEFINED typedef unsigned int size_t; #define _SIZE_T_DEFINED #endif Especially since time.h includes crtdefs.h at the top, it doesn't look like the size_t defs in time.h are active, but it does look a bit messed up. There are also 64-bit definitions for time_t in the file but the stuff at the top makes it look like it would blow up. Any tips? Thanks Mark Tag: How to search files...? Tag: 284053
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    - errors after upgrading to VS2008 After upgrading to VS2008, I started getting errors for lstrlenA, size_t, and lstrcpynA. My "include directories" settings are exactly the same as VS2005, and if I open the project in VS2005, everything compiles just fine. I assume the problem is because the headers in "$(VCInstallDir)ce \atlmfc\include" have changed for VS2008 and are now incompatible with WTL. Has anybody found a fix or workaround for this? Thanks, PaulH 1>C:\WTL80_sf\include\atlapp.h(697) : error C2668: 'lstrlenA' : ambiguous call to overloaded function 1> C:\Program Files\Microsoft Visual Studio 9.0\SmartDevices\SDK \PocketPC2003\include\winbase.h(626): could be 'int lstrlenA(LPCSTR)' 1> C:\Program Files\Microsoft Visual Studio 9.0\VC\ce\atlmfc \include\atlosapice.h(840): or 'int ATL::lstrlenA(LPCSTR)' 1> while trying to match the argument list '(const char *)' 1>C:\WTL80_sf\include\atlapp.h(737) : error C2668: 'lstrlenA' : ambiguous call to overloaded function 1> C:\Program Files\Microsoft Visual Studio 9.0\SmartDevices\SDK \PocketPC2003\include\winbase.h(626): could be 'int lstrlenA(LPCSTR)' 1> C:\Program Files\Microsoft Visual Studio 9.0\VC\ce\atlmfc \include\atlosapice.h(840): or 'int ATL::lstrlenA(LPCSTR)' 1> while trying to match the argument list '(const char *)' 1>C:\WTL80_sf\include\atlapp.h(737) : error C2514: 'size_t' : class has no constructors 1> predefined C++ types (compiler internal)(19) : see declaration of 'size_t' 1>C:\WTL80_sf\include\atlapp.h(737) : error C2668: 'lstrlenA' : ambiguous call to overloaded function 1> C:\Program Files\Microsoft Visual Studio 9.0\SmartDevices\SDK \PocketPC2003\include\winbase.h(626): could be 'int lstrlenA(LPCSTR)' 1> C:\Program Files\Microsoft Visual Studio 9.0\VC\ce\atlmfc \include\atlosapice.h(840): or 'int ATL::lstrlenA(LPCSTR)' 1> while trying to match the argument list '(const char *)' 1>C:\WTL80_sf\include\atlapp.h(737) : error C2514: 'size_t' : class has no constructors 1> predefined C++ types (compiler internal)(19) : see declaration of 'size_t' 1>C:\WTL80_sf\include\atlapp.h(746) : error C3861: 'lstrcpynA': identifier not found 1>C:\WTL80_sf\include\atlapp.h(793) : error C2668: 'lstrlenA' : ambiguous call to overloaded function 1> C:\Program Files\Microsoft Visual Studio 9.0\SmartDevices\SDK \PocketPC2003\include\winbase.h(626): could be 'int lstrlenA(LPCSTR)' 1> C:\Program Files\Microsoft Visual Studio 9.0\VC\ce\atlmfc \include\atlosapice.h(840): or 'int ATL::lstrlenA(LPCSTR)' 1> while trying to match the argument list '(const char *)' Tag: How to search files...? Tag: 284052
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    - Eight-byte alignment Does a compiler guarantee that the variable w below is placed on an eight-byte aligned address? void myFunction( long iFreq ) { const double w = two_pi * iFreq; ... ... } Tag: How to search files...? Tag: 284049
  - 25
    - operator * of iterator Hello everyone, Operator * on iterator of type T will result in reference to type T (T&), right (i.e. not type T itself or some other types)? I am looking for some STL implementation code for this (operator * on iterator of type T will result in reference to type T (T&)), but can not find (maybe I search method is not correct). Could anyone post some internal implementation code please? thanks in advance, George Tag: How to search files...? Tag: 284044

How to search files with filenames like: xy.abc.lmn on Windows Explorer?

Wildcards "*.*.*" doesn't work...

Re: How to search files...? by Brian

Brian
Mon Dec 10 22:12:56 PST 2007

This is a Microsoft C++ discussion group. The question isn't really relevant here.

It's not clear what you want to search for. Assuming that you want to search for "everything", as in "*.*.*", just use "*.*"

Brian

"dh" <dh@discussions.microsoft.com> wrote in message news:14E63176-2CA8-4480-89F3-5E7E09CDA8BB@microsoft.com...
> How to search files with filenames like: xy.abc.lmn on Windows Explorer?
>
> Wildcards "*.*.*" doesn't work...

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