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- Previous
  - 1
    - When having same names. Hi All, I've got a dynamic library which has a export function name called "Export". I've got a C++ class that also has a function called "Export" which needs in turn call the "Export()" function in the .DLL How could I do this ? Would appreciate your help. Tag: Lap timer sounds... Tag: 222205
  - 2
    - How to access MSR (CPU's model-secpific register) Hello all, I am writing a program to control the LongRun performance level of Crusoe processors. I need to write to CPU's MSR. I tried using __asm & WRMSR instrustion, but get "Privileged Instruction" exception. WRMSR is pri. inst. since 386 in protected mode. Could anyone tell me how to read/write CPU's MSR using Visual C++? Thank you in advance :-) Raymond Tag: Lap timer sounds... Tag: 222202
  - 3
    - Class Constuctor This is a multi-part message in MIME format. ------=_NextPart_000_0008_01C3C3F6.9BCF4890 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Is there anyway to get a class constructor to init my class wide static = variables? - Mike ------=_NextPart_000_0008_01C3C3F6.9BCF4890 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.3790.94" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT face=3DArial size=3D2>Is there anyway to get a class = constructor to init=20 my class wide static variables?</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>- Mike</FONT></DIV></BODY></HTML> ------=_NextPart_000_0008_01C3C3F6.9BCF4890-- Tag: Lap timer sounds... Tag: 222195
  - 4
    - problem with isprint(), isspace() and the likes... What is the best microsoft NG to ask questions/report bugs about isprint() and the like functions? Thanks! Tag: Lap timer sounds... Tag: 222194
  - 5
    - USB Safe Removal Hello all, I have developed a simple application which loads and accesses a mass-storage device in 2k/XP. Now, I would like to transfer that code over to a service. Everything seems to have transferred well except for the safe removal code. It seems the call to CM_Request_Device_Eject() was failing due to the lack of interactive logon. After some research, I found a suggestion to use CM_Query_And_Remove_SubTree() because it does not do the interactive logon check. After trying this, I now get code 0x34 (CR_CALL_NOT_IMPLEMENTED?) returned from CM_Query_And_Remove_SubTree(). Any ideas of what I can do here? The problem is simple: How can I perform a safe removal from a service? Thanks for you attention. Tony Tag: Lap timer sounds... Tag: 222191
  - 6
    - Knowledge Base Article - 176513 MS VC++ 6.0 Hi, can enybody say me, how to read information from the TZI field? (Please take a look at KB 176513). What does the field MapID mean? Thank you for help. Lubomir Tag: Lap timer sounds... Tag: 222185
  - 7
    - Platform SDK? Hey MVP's which group is appropriate for a basic Platform SDK question? ~mike Tag: Lap timer sounds... Tag: 222184
  - 8
    - string I have the following line of the code where I am deleting the spaces after the last char. How do I delete the spaces before the char? string.erase (string.find_last_not_of (" ") + 1 ) ; Tag: Lap timer sounds... Tag: 222181
  - 9
    - EnumJobs/GetJob problem... Hello everybody, I'm trying to monitor the Windows printing queue. It is=20 very importan for my app to gather=20 the paper size and if the printing is color or monochrome.=20 I call the following function=20 after the user has chosen the printer: BOOL CEnumJobsDlg::GetQueue(HANDLE hPrinter) { DWORD cByteNeeded,=20 nReturned=3D0,=20 cByteUsed,=20 i; JOB_INFO_2 *pJobStorage =3D NULL,=20 *pJob_Info_2=3DNULL; PRINTER_INFO_2 *pPrinterInfo =3D NULL; if (hPrinter) { /* Get the buffer size needed */ if (!GetPrinter(hPrinter, 2, NULL, 0,=20 &cByteNeeded)) { if (GetLastError() !=3D=20 ERROR_INSUFFICIENT_BUFFER) goto Fail; } pPrinterInfo =3D (PRINTER_INFO_2 *)malloc (cByteNeeded); if (!(pPrinterInfo)) /* failure to allocate memory */ goto Fail; =09 /* get the printer info */ if (!GetPrinter(hPrinter, 2, (LPBYTE) pPrinterInfo, cByteNeeded, &cByteUsed)) { // failure to access the printer=20 free(pPrinterInfo); pPrinterInfo =3D NULL; goto Fail; }=20 /*At this point I can see the configuration of the=20 printer with valid data in=20 the pPrinterInfo->pDevMode pointer to the DEVMODE=20 structure. */ =09 /* Get job storage space */ if (!EnumJobs(hPrinter,=20 0,=20 (pPrinterInfo)->cJobs,=20 2,=20 NULL,=20 0, (LPDWORD)&cByteNeeded, (LPDWORD)&nReturned)) { if (GetLastError() !=3D=20 ERROR_INSUFFICIENT_BUFFER) goto Fail; } pJobStorage =3D (JOB_INFO_2 *)malloc (cByteNeeded); if (!pJobStorage) /* failure to allocate Job storage=20 space */ goto Fail; =09 ZeroMemory(pJobStorage, cByteNeeded); /* get the list of jobs */ if (!EnumJobs(hPrinter,=20 0,=20 (pPrinterInfo)->cJobs,=20 2,=20 (LPBYTE)pJobStorage,=20 cByteNeeded, (LPDWORD)&cByteUsed, (LPDWORD)&nReturned)) { goto Fail; } /* I send a print job with the Notepad.exe, I check the=20 information pointed by pJobStorage debugging the execution, and I see the right=20 information (like the=20 document name, tha machine name, etc., I mean the=20 information in the JOB_INFO_2 structure)=20 but the pDevMode value is NULL this time.=20 */ (pPrinterInfo)->cJobs =3D nReturned; } else goto Fail; /*Then I try to look at each individual print job with the=20 GetJob API function with the=20 following code, but the same: I cannot get de information=20 pointed by pDevMode because=20 its value is NULL. I wonder what is wrong in this code. */ =09 for (i =3D 0; i < pPrinterInfo->cJobs; i++) { if (!GetJob(hPrinter,pJobStorage [i].JobId,2,NULL,0,&cByteNeeded)) if (GetLastError() !=3D=20 ERROR_INSUFFICIENT_BUFFER) goto Fail; pJob_Info_2 =3D (JOB_INFO_2 *)malloc (cByteNeeded); ZeroMemory(pJob_Info_2, cByteNeeded); if (!pJob_Info_2) /* failure to allocate Job storage=20 space */ goto Fail; if (!GetJob(hPrinter,pJobStorage [i].JobId,2,LPBYTE(pJob_Info_2),cByteNeeded,&nReturned)) goto Fail; } free(pJob_Info_2); free(pJobStorage); free(pPrinterInfo); =09 return TRUE; Fail: free(pJobStorage); free(pPrinterInfo); return FALSE; }=20 /* end of function GetQueue */ Any ideas? Thanks in advance. Juvenal Le=F3n Tag: Lap timer sounds... Tag: 222180
  - 10
    - Breaking the encapulation There are two instances, Obj1 and Obj2, of the same class. What is a simplest way to access private or protected data of Obj1 from within Obj2? Thanks! Tag: Lap timer sounds... Tag: 222179
  - 11
    - What is a .rc2 file? I have a VC++ 6 project that I've received via email and I'm trying to get it to build. The workspace says there's supposed to be a myproject.rc2 file, but I didn't get one with the package. What is contained in an rc.2 file, and can I generate a new one? All the application resources seem to be intact (dialogs, menus, icons, etc) in the .rc file. Thanks. Tag: Lap timer sounds... Tag: 222161
  - 12
    - dependency issue, build instead of rebuild We have several projects where we #include "resource.h" in stdafx.h (I know, bad practice, but let's ignore that for now). For some reason when we make a change to resource.h and build the project, the compiler doesn't realise it needs to rebuild stdafx.cpp. It thinks everything is up to date. But when it compiles the .cpp file that uses the new ID we just defined, say, it gives an error that the ID is not defined, because it hasn't compiled the new resource.h. So any time we change resource.h, we have to Rebuild All instead of just Build. Any idea why that would be? Other .h files included in stdafx.h work just fine--when they change the compiler knows to rebuild stdafx.cpp etc. Nate Hekman Calgary, Alberta, Canada Tag: Lap timer sounds... Tag: 222157
  - 13
    - adding dll's and lib's I have a 3rd party library containing a .lib file and a dll. My understanding is that the .lib is used at link time and the dll at run time, is this correct? I know how to add the .lib to my project, but how does the application know it needs the dll? And where do I put it in the directory structure? Thanks Tag: Lap timer sounds... Tag: 222154
  - 14
    - DDX_TIME in VC++6.0 Hi Is DDX_Time is declared in VC++ 6.0 I am trying to compile the old source code i am getting error as error C2065: 'DDX_Time' : undeclared identifie Best Regard John Tag: Lap timer sounds... Tag: 222149
  - 15
    - Code Emission Hi, I am just wondering what VC++ 6.0 and VC++.NET does the compiler emits certain MMX, SSE, SSE2 etc code or higher advanced code we can have from the P4? e.g. do3d() -----> poafpso xmm sldkufds xmm2 etc Thanks Jack Tag: Lap timer sounds... Tag: 222146
  - 16
    - [Howto] Is it possible using ole in the windows service under the windows have not logon's state? is it possible using ole in the windows service under the windows have not logon's state? detail: i have a window service program. and i set the service 's state is "auto run" the service program using the printer object and ole object and dde object then can the service program normally running when the computer startup, but without window login ? i try the service, but i cannot run through, is it the window service's limition ? everyone know that please replay, i will very thank . Tag: Lap timer sounds... Tag: 222145
  - 17
    - 'void' illegal with all types Hi, while I compile a iis sdk sample: ASyncWrite, I got the error: 'void' illegal with all types. because of the following statement: ----- fReturn = (InitFileHandleCache() == NO_ERROR); ----- Here below is their definition: BOOL fReturn = TRUE; VOID InitFileHandleCache(VOID) { InitializeCriticalSection(&g_csOpenFiles); } In what condition this code will compile ? How to get it work ? Thanks! peter lin Tag: Lap timer sounds... Tag: 222133
  - 18
    - This simple file I/O code should work but doesnt (VC6 ent. sp5) Hi all. I'll present this simple code straight away and then I'll sketcht the (irritating) problem: # include <iostream> # include <fstream> # include <ostream> # include <string> //# include <cstddef> <<<===== What for? What does it do? using namespace std; struct Customers { int Num; char Pkg; float Hours; string Bill; }; bool GetCust( const string& filename, Customers* P ) { ifstream InFile( filename.c_str() ); if( !InFile ) return false; // You could use a for loop too, if you wish. size_t Idx( 0 ); while( InFile>>P[Idx].Num>>P[Idx].Pkg>>P[Idx].Hours>>P[Idx].Bill ) ++Idx; if( !InFile.eof() ) return false; return true; } void DisplayCustomers( const Customers* P, const size_t Size ) { for( size_t Idx = 0; Idx < Size; ++Idx ) { cout << P[ Idx ].Num << " " << P[ Idx ].Pkg << " " << P[ Idx ].Hours << " " << P[ Idx ].Bill << endl; } } int main() { Customers People[49]; //PROBLEM CHILD RIGHT HERE, NEWSGROUP READERS! if( !GetCust( "CustomerFile.txt", people ) ) cout << "Error: Could not read file properly."<<endl; else DisplayCustomers( People, sizeof People / sizeof* People ); return 0; } Yes that's right, I was excercising basic file I/O. Look in main(). - If I declare "Customers People[49]" in main() then I'll get an exception error while running. Note that the file (CustomerFile.txt) has indeed 49 lines of customer data. No problem there. - But if I declare Poeple[50] in main() then everything works fine except for the fact that index-50-variables return rubbish. Offcourse it does, no problem there either. - But if I declare People[49] globally, then everything works just fine. What is going on here? As far as I know the code presented above shoudl work nicely. Nevermind my skills in file I/O. Just learning. Unless it is related to the exception error. Thank you all, Val Tag: Lap timer sounds... Tag: 222129
  - 19
    - How to recycle codes for ActiveX project? I need to develope a different version of ActiveX which shares 90% codes with an ActiveX project I completed a while ago so I would like to recycle as much source codes as possible. My old ActiveX project was started on VC++'s ActiveWizard. I thought I could simply create a new project so that I have an unique UUIDs, then copy the .odl file to the old project, and modify some names in .cpp files. When I did that, the project builds fine, but it won't register. Any suggestion how to recycle sources in such case? Thanks! . Tag: Lap timer sounds... Tag: 222127
  - 20
    - VC++ and XML How do I access XML from VC++ dll. Can you let me know how I can include xml files or or how I should #import them. Thanks Tag: Lap timer sounds... Tag: 222115
  - 21
    - "Enable Run-time Type Information" I tried checking/unchecking the checkbox of "Enable Run-time Type Information" and saw nothing affected with regards to using "typeid()" and related code. The code can still compile and run and provide with RTTI info. What gives with such setting under Project/Setting...? Thanks! Tag: Lap timer sounds... Tag: 222110
  - 22
    - overloaded operator Hi All, Suppose I have a class of my own, CVCEditBox and I overload a few operators like this: class CVCEditBox : public CStatic { .... CVCEditBox operator+ (const CVCEditBox& TheString) const; ... } And then, the implementation of this operator would be: CVCEditBox CVCEditBox::operator+(const CVCEditBox& TheString) const { return CVCEditBox((CString) SomeString); } By the way, I do have an argument constructor that takes a CString.. The question is, is there any problem if I do the overloading this way ? [returning the constructor of the object] It seems to work but I am wondering if I should do it differently (maybe a more efficient way .. it seems to me that returning the constructor rathern than a combination of *this / CVCEditBox& uses more memory since it does a copy/create a new object ?!] Thanks in advance, Marius Tag: Lap timer sounds... Tag: 222109
  - 23
    - 2002 Vs. 2003 Hi all, got a question about about a static data in a template of template ; this code does NOT compile under VC++ .NET 2002 : template<template<typename> class C1, class C2> class Test { public: Test() { m_i = 1; } static int m_i; }; template<template<typename> class C1, class C2> int Test<C1, C2>::m_i; // ERROR this seems to be due to the fact that a template of template does not allow external declarations, so, no way to use static data :( can anyone tell me if this has been fixed in the 2003 edition ? tia. Tag: Lap timer sounds... Tag: 222107
  - 24
    - reference to pointer void foo( std::string& rs ) { // There is no way to obtain the real address of object, referenced by rs. // Isn't it? } Tag: Lap timer sounds... Tag: 222104
  - 25
    - Template member functions syntax Hi. Does anybody can help me understand the syntax for defining members templates out of classes (please see below an example)? Thanks Regards. Fabio *************************************************** The following compiles and runs fine. template <int N> struct X { template <int M> int foo( int z ) { return M+N+z; }; }; int testTemplate( int z ) { X<4> x; return x.foo<5>( z); } However, I would like to define the body of foo outside the class declaration. Do you know what is the syntax to do that? I have tried many different possibilities, but the compiler (VC7) doesn't like any of them. For example, this doesn't work... template <int N> struct X { template <int M> int foo( int z );// { return M+N+z; }; }; template <int N> template <int M> int X<N>::foo<M>( int z ) { return M*N*z; } int __cdecl main(int argc, char* argv[]) { int y = X<4>().foo<5>( 10); return y; } Tag: Lap timer sounds... Tag: 222096
- Next
  - 1
    - Cannot create a key uder HKEY_USERS ! Hi, I want to make a new key under HKEY_USERS. I use RegCreateKeyEx(HKEY_USERS, "Test\\SOFTWARE", 0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hKey, &dw); However the function always returns - "The parameter is incorrect." . If I change HKEY_USERS to HKEY_CURRENT_USER the key gets created. I can not add a new key under HKEY_USERS even when I use Regedit.exe . I am testing on a Windows XP professional PC . Can anyone tell me what is wrong? Thanks! Tag: Lap timer sounds... Tag: 222074
  - 2
    - name of variable Hi all, How can i assing the name of a CString variable to another CString? I mean, CString xxx;yyy; xxx=NameOfVar(yyy); is there any function or something similar to do this. Thanks... Ilter Suat Tag: Lap timer sounds... Tag: 222072
  - 3
    - Is Decimal a basic data type in VB6? I wanna declare a variable with the type of Decimal. However, when I typed the key word As and had the IntelliSense listbox popped up, I could not find the Decimal item. Does this means that Decimal is unavailable in VB6, or it is defined in another Library that I have to get it included into my project? Any reply would be appreciated! -- Best regards, Laser Lu Tag: Lap timer sounds... Tag: 222069
  - 4
    - CFile class newbie question - file handle invalid? Hi I've got the following code for the constructor of a class that I've derived from CFile. It is in a project that I've created using ATL COM AppWizard, with MFC support. So it's using ATL *and* MFC. However when I try to write to the file, it asserts in the first line of the CFile::Write class, on the line: ASSERT (m_hFile != hFileNull) so I decided to put this test in my own class so I could check for it - my code is as follows: CBMPFileInternal::CBMPFileInternal(LPCTSTR lpszFilename) { try { CFile::CFile(lpszFilename, CFile::modeCreate | CFile::modeWrite | CFile::typeBinary); if(m_hFile != hFileNull) OpenedOK = true; else OpenedOK = false; //<-this occurs. } catch(CFileException e) { afxDump << "File could not be opened " << e.m_cause << "\n"; OpenedOK = false; } } However I checked in windows explorer and the file IS being created. How can I get the file handle to be non- null, and thus enable writing to the file? thanks Tag: Lap timer sounds... Tag: 222055
  - 5
    - very small bug in VC 7.1 Hi, I found a small bug in the VC7.1 compiler, the code is not valid, but the compiler hit ICE. Here is a small example #include <iostream> #include <map> struct foo { virtual int someVirtualFunc (int n) { return n; } }; template <class A, int (A::*func) (int)> struct bar : public A { bar () { this->*func = &bar<A,func>::anotherVirtualFunc; } virtual int anotherVirtualFunc (int n) { return n; } }; int main () { bar <foo, &foo::someVirtualFunc> aa; return 0; } Lucas/ Tag: Lap timer sounds... Tag: 222048
  - 6
    - Inheriting from a DLL Greetings, I'm using VC 5 SP3 and I'm attempting to inherit a class from a DLL and call it's member function from an application (which links to the DLL). Base Class (inside of DLL) | Child Class (inside of application) The class within the DLL has been exported using: __declspec(dllexport) The application imports the class using: __declspec(dllimport) The DLL contains one member function: void CDllTest::SayHello() { printf("Hello C++!"); } All I want to do is call CDllTest::SayHello() from a Child class. However, the compiler error I receive is: DllTestApp\CDllTestChild.h(27) : error C2065: 'SayHello' : undeclared identifier I think this can be done but the syntax/mechanism to achieve it has eluded me. The source code is listed below. Can someone help? Here's the source for the DLL: // "DllTest.h" class __declspec(dllexport) CDllTest { public: CDllTest(){} ~CDllTest(){} public: void SayHello(); }; // DllTest.cpp #include "stdafx.h" #include "DllTest.h" BOOL APIENTRY DllMain( HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) { switch (ul_reason_for_call) { case DLL_PROCESS_ATTACH: case DLL_THREAD_ATTACH: case DLL_THREAD_DETACH: case DLL_PROCESS_DETACH: break; } return TRUE; } void CDllTest::SayHello() { printf("Hello C++!"); } Here's the code for the child class that wants to inherit CDllTest. // CDllTestChild.h #include "DllTest.h" class __declspec(dllimport) CDLLTest {}; class CDllTestChild:public CDLLTest { public: void SayHelloChild() { SayHello(); // ** error C2065 ** printf( "Hello C++ Child!\n" ); } }; // here's the code for the application // DllTestApp.cpp #include "stdafx.h" #include "CDllTestChild.h" int main(int argc, char* argv[]) { CDllTestChild dtChild; dtChild.SayHelloChild(); return 0; } Thank you, Roy Tag: Lap timer sounds... Tag: 222047
  - 7
    - Get the occurrence of a substring. Hi, Does anybody know if C/C++ provides any functions to get the occurrence of a substring within a string? For example, Substring: "abc" Original String: "231abc643abc" Return: 2 Thanks. Leo Tag: Lap timer sounds... Tag: 222042
  - 8
    - lists struct Obj { /*code omitted*/ Obj* pNextOne; } struct DObj : public Obj { int sth; //or whatever } (: Im building a list of Obj (so that each has a pointer to next one), but i'd like some of them to be DObj, everything is fine, but when i delete the list sth goes wrong, when im deleting any DObj. Could someone give me a hint how to delete such a list ???? thanks Tag: Lap timer sounds... Tag: 222040
  - 9
    - Trouble in warp a function in COM dll I have a class to wrap in COM dll. There is a c++ function declare void Draw(HDC hdc, int x, int y, int w, int h) I warp it in IDL as HRESULT Draw([in] int** hdc, [in] int offx, [in] int offy, [in] int width, [in] int height); STDMETHODIMP CImg::Draw(int** hdc, int offx, int offy, int width, int height) { AFX_MANAGE_STATE(AfxGetStaticModuleState()); image->Draw((HDC)(hdc), offx, offy, width, height); return S_OK; } in this way, the hdc parameter will be IntPtr in C# so in c# code look like IntPtr hDC = e.Graphics.GetHdc(); if (img != null) img.Draw(hDC, 0, 0, 100, 100); e.Graphics.ReleaseHdc(hDC); sounds very pretty code. but when i turn to VB6, it doesn't work. I write the code Private Sub Form_Paint() Call g.Draw(hDC, 0, 0, 100, 100) End Sub but compiler complain it use some type that vb can't recognize What's the better way to make this interface be used by c#, vb6, dephi smoothly? any idea? Tag: Lap timer sounds... Tag: 222036
  - 10
    - Unable to uninstall VC++ 1.52 I mistakenly installed VC++ 1.52 on Windows 2000 advanced server where I have already installed .NET 1.1. Now I am unable to uninstall VC++ 1.52. The program does not show up in the 'Add/Remove programs' list of Control Panel and there is no uninstall directory in the program' directory of the VC++ 1.52. I ran visual studio 6.0 setup program and clicked on 'Remove All'. The program ran without error but Visual C++ 1.52 is still there. I then re-ran the setup program for visual studio 6.0 to install the VC++ 6.0. The program ran again without any errors. But on the programs menu I see only one VC++ item and when I click on this item I see only VC++ 1.52. Could someone please help me in uninstalling VC++ 1.52. Thank you, Niran Tag: Lap timer sounds... Tag: 222033
  - 11
    - Triple Des Class Hi all Where on the net can I get a copy of a TDES C++ class, preferably just TDES and in code form. Not the HUGE cryptographic libraries that are floating about.. All help Greatly appreciated. Many Thanks T Tag: Lap timer sounds... Tag: 222031
  - 12
    - Download of DDK Hi, maybe this is the wrong newsgroup for my posting, but I couldnt find any better, so sorry in advance. I am searching The MS Windows XP SP1 DDK, which is on the MS page only available by ordering a CD. I remember, that in former times I could download the DDK from the internet. Is that not possible any longer? Thanks in advance Julia Tag: Lap timer sounds... Tag: 222022
  - 13
    - The thing after the DOS Stub I was asking me the question... what is that unusefull thing after the Dos Stub of all exes generated with the Microsoft linker... now i'm asking that question to you.... What is it ? it's just before the PE.... it take some space.... so I can't get my exe generated with that linker smaller than 396 bytes... I must edit it by hand... There is always the string "Rich" and some other constant... but the rest is random...... any one knows what it is? and maybe... how to get it off ? Tag: Lap timer sounds... Tag: 222015
  - 14
    - Create a bitmap from a CString I need to be able to create a bitmap from a user input string. To make matters more complicated I need the bitmap to be created font specific. Can someone please give me some guidance as to where to start researching this? thanks Tag: Lap timer sounds... Tag: 221997
  - 15
    - Multiple CDynLinkLibrary in DllMain proc and other location Hi, I've got some MFC extensions DLL from which I have removed the multiple resources. I localize the resources into separated resources-only DLL because of the difficulty to deal with the language resources load order. The problem is that I must ensure a backward compatibility with the old clients EXE. Indeed these assume to the DLL find out itself its resources; i.e a default behaviour. I code this like (from my extension dll): AFX_EXTENSION_MODULE extDLL; DllMain(...) { .... AfxInitExtensionModule(extDLL); extDLL.hResource = AfxLoadLibrary( default resource); new CDynLinkLibrary(extDLL); .... } Now for the new clients, I want to supply an exported function InitMyDLLResources() where I would to replace the default loaded library with a new convenient one. I code like (from my extension dll): InitMyDLLResources( the language) { AfxTermExtensionModule(); AfxFreeLibrary(extDLL.hResource); AfxInitEXtensionModule(extDLL); extDLL.hResource = AfxLoadLibrary( convenient resource); new CDynLinkLibrary(extDLL); } Invocation from old clients EXE: nothing. Invocation from new clients EXE: CWinApp::InitInstance(){...InitMyDLLResources(the language);...} This stuff seems to be functionnal but I don't really have a wide kwnowledge about the AFX_EXTENSION_MODULE and the CDynLinkLibray so I would like to know if all of this is not savage. My doubt carries on the safe manner or not to proceed like this ; quality of design is another problem :-) (but in a first step, safety is more important for me) Thanks you very much for your advise Manfred Ehrhart Tag: Lap timer sounds... Tag: 221996
  - 16
    - How to find EOF in buffer received from socket? Hi, I use recv() to get data buffer and write to file. The other side uses TransmitFile() to send data. How should I decide in recv() if all the sent data have been received? Can I search for EOF at the end of each received buffer? I tried if(fBuf[nRecv-1] == EOF) (and fBuf[nRecv]) but it didn't work. The sample send and receive code is as following: ////send data: -------------- .... hFile = CreateFileA( fname, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, 0 ); .... TransmitFile( socket, hFile, 0, 0, NULL, NULL, 0 ); .... ////receive data: ... hFile = CreateFileA( fname, GENERIC_WRITE, 0, NULL, OPEN_ALWAYS, FILE_FLAG_SEQUENTIAL_SCAN, 0 ); ... while(true)//find better way to exit the loop? { TCHAR fBuf[1024]; nRecv = recv(sock, (LPSTR)fBuf, sizeof(fBuf), 0); // if(fBuf[nRecv-1] == EOF) break; -- not working .... WriteFile(hFile, fBuf, nRecv, &dwWritten, NULL); } .... I used to use send file size first, and use the size to exit the while() loop. But I need to process the received buffer after file size, since that will be the file data, and that processing affects some of the binary files' format, so they can't be opened in after transfering. It will be 'cleaner' if I can avoid sending/receiving file size and exit the while() loop by detecting EOF, or other ways to check the complete of receive. Thanks for any input, Peter Tag: Lap timer sounds... Tag: 221991
  - 17
    - Multibyte string buffer needed. Hi, I am using GetDateFormat with 0 at it's last parameter to obtain the len (in TCHARs) needed for the buffer. Having this, how can I determine how many bytes will be needed for my buffer ? ---- Thanks, Rafael Pivato Tag: Lap timer sounds... Tag: 221990
  - 18
    - Please help me!!! Here is the errors I am getting when I compile the following compiler driver "compTest.cpp: --------------------Configuration: compTest - Win32 Debug-------------------- Linking... compTest.obj : error LNK2001: unresolved external symbol "double __cdecl Expression(bool)" (?Expression@@YAN_N@Z) compTest.obj : error LNK2001: unresolved external symbol "enum Token currentToken" (?currentToken@@3W4Token@@A) compTest.obj : error LNK2001: unresolved external symbol "enum Token __cdecl GetToken(void)" (?GetToken@@YA?AW4Token@@XZ) compTest.obj : error LNK2001: unresolved external symbol "double & __cdecl Symbol(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >)" (?Symbol@@YAAANV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@ @Z) Debug/compTest.exe : fatal error LNK1120: 4 unresolved externals Error executing link.exe. compTest.exe - 5 error(s), 0 warning(s) ----------------------------------------------------- Here is the source code for the compTest.cpp: //compTest.cpp #include "symboltable.h" #include "scanner.h" #include "parser.h" #include <iostream> using std::cin; using std::cout; int main() { Symbol("pi") = 3.1415926535897932385; Symbol("e") = 2.7182818284590452354; while(cin) { GetToken(); if(currentToken == END) break; if(currentToken == PRINT) continue; cout << Expression(false) << '\n'; } return 0; } ------------------------------------------------------ Can someone take a look at it and tell me what am I doing wrong. Thanks, Felix Tag: Lap timer sounds... Tag: 221985
  - 19
    - SYSTEMTIME to time_t Hello. I wonder if you could tell me if trying to convert : SYSTEMTIME to time_t is a bad idea ? heres what i did: void ST2T(SYSTEMTIME &st, time_t &t) { time_t now; time(&now); tm local = *localtime(&now); local.tm_year = st.wYear-1900; local.tm_mon = st.wMonth-1; local.tm_mday = st.wDay; local.tm_wday = st.wDayOfWeek; local.tm_hour = st.wHour; local.tm_min = st.wMinute; local.tm_sec = st.wSecond; t = mktime(&local); } thanks Tag: Lap timer sounds... Tag: 221982
  - 20
    - IInternetProtocol Start Method not working correctly Hello, I've been searching and searching and found nothing to help me out. Here's my situation: I need to capture URL Requests (clicks or address bar entries) and if it matches a specific URL like "http://somedomain.com/blorg.exe" I want to be able to intercept that and tell IE i'll take care of it myself, OR, if it does not pass my criteria, let IE handle the click. I DO NOT want to register my own protocol like mark://somedomain.com/.... I need to be able to look at the whole URL This is what I've done so far: I have created a namespacehandler in the HKCR area so my DLL gets called for any URL's requested in IE. My DLL gets called and the start() gets called, but if I don't want the URL, I'm returning INET_E_USE_DEFAULT_PROTOCOLHANDLER. This causes IE to crash. But if I return S_FALSE, IE stops navigation and stays where its at (what I want when I want to handle the URL myself). Thanks in advance.. Tag: Lap timer sounds... Tag: 221981
  - 21
    - fatal error LNK1169: one or more multiply defined symbols found Hi, I have a C++ project and a C static libarary. When I call the functions in this C library from the C++ project I get these errors. I have used the #ifdef __cplusplus extern "C" { #include "vlib\xyz.h" } } #endif user error LNK2005: ___CppXcptFilter already defined in MSVCRT.lib(MSVCR71.dll) user error LNK2005: ___xc_a already defined in MSVCRT.lib(cinitexe.obj) user error LNK2005: ___xc_z already defined in MSVCRT.lib(cinitexe.obj) user error LNK2005: ___xi_a already defined in MSVCRT.lib(cinitexe.obj) user error LNK2005: ___xi_z already defined in MSVCRT.lib(cinitexe.obj) user error LNK2005: __isctype already defined in MSVCRT.lib(MSVCR71.dll) user error LNK2005: _atoi already defined in MSVCRT.lib(MSVCR71.dll) user error LNK2005: _exit already defined in MSVCRT.lib(MSVCR71.dll) user error LNK2005: _fflush already defined in MSVCRT.lib(MSVCR71.dll) user error LNK2005: _free already defined in MSVCRT.lib(MSVCR71.dll) user error LNK2005: _malloc already defined in MSVCRT.lib(MSVCR71.dll) user error LNK2005: _realloc already defined in MSVCRT.lib(MSVCR71.dll) user fatal error LNK1169: one or more multiply defined symbols found I tried using NODEFAULTLIB/libcmt.lib but no help! What are the settings? I am using VS.NET 2003 to build the C++ project. TIA. mp Tag: Lap timer sounds... Tag: 221978
  - 22
    - passing struct to class I'm trying to pass a struct object to a class. This is complete code. error C2143: syntax error : missing ',' before '&' error C2065: 'rr' : undeclared identifier // ClassTest.cpp #include "stdafx.h" #include <iostream> #include <cstdlib> #include "myclass.h" using namespace std; struct Date { int D; int M; int Y; }; Date dd; int main(int argc, char *argv[]) { dd.D = 1; dd.M = 2; dd.Y = 3; cShow sh; sh.show(dd); system("PAUSE"); return 0; } // MyClass.h #pragma once class MyClass { public: MyClass(void); ~MyClass(void); bool show(const Date & rr); }; // MyClass.cpp #include "stdafx.h" #include <iostream> #include <cstdlib> #include "myclass.h" using namespace std; MyClass::MyClass(){} MyClass::~MyClass(){}; bool MyClass::show(const Date & rr) { cout << rr.D << "\t" << rr.M << "\t" << rr.Y << endl; return true; } Tag: Lap timer sounds... Tag: 221973
  - 23
    - pointers I want to store WSAEVENT in a collection and am having a problem with pointers. What am i doing wrong? main() { WSAEVENT *a; function(&a); WSAWaitForMultipleEvents(,&a,,,); } void returnarrayWSAEVENTS(WSAEVENTS *pd) { pd = m_vec.begin();//vector<WSAEVENT> m_vec; } Tag: Lap timer sounds... Tag: 221961
  - 24
    - Add Wave file to an existing AVI I was wondering if there is a way to add WAVE audio to an existing AVI? Thanks in advance, ~Logan Tag: Lap timer sounds... Tag: 221960
  - 25
    - Templated operator overloaded friend function Hi All, I have some code that used to work in VC6, but the stricter VC.NET isn't allowing to compile. Here's a reproduction of the code... template class<T> _DLLExport class MyString { ... public: friend _DLLExport MyString<T> operator + (const MyString<T>& s1, const T * s2); ... }; template<class T> MyString<T> operator + (const MyString<T>& s1, const T * s2) { ... } This now fails with an unresolved external for the operator + function... Looking at the help, it claims that this problem can be fixed by defining the friend as a specialzation of the template function: friend _DLLExport MyString<T> operator + <T> (const MyString<T>& s1, const T * s2); or friend _DLLExport MyString<T> (operator +)<T> (const MyString<T>& s1, const T * s2); But these both fail with compilation errors. Has anyone got any ideas what I am doing wrong? Thanks, Otto Tag: Lap timer sounds... Tag: 221956

Hi,

I have a small program that I have that detects a slot car passing over a
photocell
that I read through the printer port. I want to play a sound every time a
car passes
over a cell, so I need the sounds to play fast and also interrupt each other
when the
cars pass very close to each other. From what I understand, I need to have
the sound
coming from memory and not reading in a wave file.
From what I see, DirectSound or SndPlaySound are my options.
Is this true? If so which is the easiest to use and best for my application?
Any
source code available?
These are small wave files, car 'drive by' sound effects.

Thanks for your time

Top

Re: Lap timer sounds... by lallous

lallous
Wed Dec 17 01:37:13 CST 2003

Hello,

I guess sndPlaySound() is easier to use and doesn't need DirectX to be
installed.
sndPlaySound() can play sound from resource or memory (in addition to
playing files from disk).

--
Elias
"Franco" <jfrancoz@dietandtraining.com> wrote in message
news:xmSDb.5552$JD6.1531@lakeread04...
> Hi,
>
> I have a small program that I have that detects a slot car passing over a
> photocell
> that I read through the printer port. I want to play a sound every time a
> car passes
> over a cell, so I need the sounds to play fast and also interrupt each
other
> when the
> cars pass very close to each other. From what I understand, I need to have
> the sound
> coming from memory and not reading in a wave file.
> From what I see, DirectSound or SndPlaySound are my options.
> Is this true? If so which is the easiest to use and best for my
application?
> Any
> source code available?
> These are small wave files, car 'drive by' sound effects.
>
> Thanks for your time
>
>

Top