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As jschell suggested, you can probably get tricky and get it accomplished one way or another, but by default, you should assume that the functionality will not be easily accessible unless made available by the hardware driver. Look for a drive that supports it and see if they have their own driver (as opposed to a generic HDD driver which is likely not to have this function) and have an API that allows you to access it.
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1. Can anybody show me an example on running multiple threads from an MFC application?
2. Is this possible in VS6?
...
Thanks in advance
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There are many examples on the net and here like this one: Introduction to Multi-threaded Code [^].
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Hello all,
I'm coding CFront, the very first form of C++, I have the .pdf file and using the compiler Code::Blocks, but I'm confused, should I use a project or just code it as file(s) individuality.
Also, how do I "identify" all the source code, in other words, what do I call which file what in order to avoid programming errors, like the .pdf has all the info in it, but as you can see I'm a "precise" person, and don't like to have errors OR tend to make errors a lot.
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Brandon T. H. wrote: as you can see I'm a "precise" person
Who posts vague questions.
Unrequited desire is character building. OriginalGriff
I'm sitting here giving you a standing ovation - Len Goodman
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Just telling you, I tend to make errors a lot, and I need help to see if I'm doing this right (coding CFront).
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Have another look at this section[^] with particular reference to point 2.
Unrequited desire is character building. OriginalGriff
I'm sitting here giving you a standing ovation - Len Goodman
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Richard MacCutchan wrote: particular reference to point 2
Yeah, you have to be specific, I'm trying to make this clear as much as possible.
The .pdf file has code in it along with other stuff (like file names, heading names, comments, images, pictures, etc.), All I'm asking for is where do I find the header names and all the configuration in all that jargon, so I'm coding this right (because all that code does not go into one header). Please be aware I'm typing 300 pages, manually or one-by-one.
Simple Regards,
Brandon
modified 18-Mar-12 12:56pm.
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Brandon T. H. wrote: The .pdf file has code in it
What exactly are you trying to create from this? I've had a quick look in this file and it looks like the listing of a complete C/C++ library. It's also dated 1985 so I guess it's out of date.
Unrequited desire is character building. OriginalGriff
I'm sitting here giving you a standing ovation - Len Goodman
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A CFront compiler
Simple Regards,
Brandon
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Pass the PDF file through an OCR[^] program to convert it into plain text, then split the file into individual source files, remove page headers and footers, fix scanning and OCR errors and you end up with files that might be acceptable to a C compiler.
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Thanks, I'll try doing that.
Simple Regards,
Brandon
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Hello,
Over the past year, I have been gathering dev kits for classic consoles from around the net, fixing them up to get them in a working state, and then wrote small game samples for each. The samples will compile out of the box.
You can find them at
http://sebastianmihai.com/ccd
I am currently up to 14 different systems.
Enjoy!
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smccd wrote: Enjoy!
Probably not something that I would be interested in but I do approve of the effort.
You might want to look for a more standard place for them though such as sourceforge.
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Not a question... so not really the appropriate forum for this post... probably better suited for the Lounge or Free Tools.
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Hi guys, i wonder how to make my programm work in mode without debugging(Ctrl+F5). When i start my programm that captures video and audio to asf file from web-cam in debug (F5) it works good i can see a video in small window and everything is good. But when i start it in Ctrl+F5 it still writes a video and audio to file, but i can't see a preview video in small window (the window is getting wite and not responding) Please help me to find the problem
My programm code:
int main(int argc, char* argv[])
{
boost::chrono::system_clock::time_point start = boost::chrono::system_clock::now();
ICaptureGraphBuilder2 *pCaptureGraph = NULL; IGraphBuilder *pGraph = NULL; IMediaControl *pControl = NULL; IFileSinkFilter *pSink = NULL; IBaseFilter *pAudioInputFilter = NULL; IBaseFilter *pVideoInputFilter = NULL; IBaseFilter *pASFWriter = NULL;
HRESULT hr = CoInitialize(NULL);
if (FAILED(hr))
{
printf("ERROR - Could not initialize COM library");
return hr;
}
hr = CoCreateInstance(CLSID_CaptureGraphBuilder2, NULL, CLSCTX_INPROC_SERVER,
IID_ICaptureGraphBuilder2, (void **)&pCaptureGraph);
if (FAILED(hr)) {
printf("ERROR - Could not create the Filter Graph Manager.");
return hr;
}
hr = pCaptureGraph->SetOutputFileName(&MEDIASUBTYPE_Asf,
L"C:\\MyWebcam.ASF", &pASFWriter, &pSink);
hr = ShowFilterPropertyPages(pASFWriter);
hr = pCaptureGraph->GetFiltergraph(&pGraph);
hr = pGraph->QueryInterface(IID_IMediaControl, (void **)&pControl);
if (FAILED(hr))
{
printf("ERROR - Could not create the Media Control object.");
pGraph->Release(); CoUninitialize(); return hr;
}
hr = EnumerateAudioInputFilters((void**) &pAudioInputFilter);
hr = EnumerateAudioInputPins(pAudioInputFilter);
hr = pGraph->AddFilter(pAudioInputFilter, L"Audio");
hr = GetVideoInputFilter(&pVideoInputFilter, L"HP Webcam");
if (SUCCEEDED(hr)) {
hr = pGraph->AddFilter(pVideoInputFilter, L"Video");
}
IBaseFilter *pIntermediate = NULL;
hr = pCaptureGraph->RenderStream(&PIN_CATEGORY_PREVIEW, &MEDIATYPE_Video,
pVideoInputFilter, NULL, NULL);
hr = pCaptureGraph->RenderStream(&PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
pVideoInputFilter, NULL, pASFWriter);
hr = pCaptureGraph->RenderStream(&PIN_CATEGORY_CAPTURE, &MEDIATYPE_Audio,
pAudioInputFilter, NULL, pASFWriter);
if (SUCCEEDED(hr))
{
hr = pControl->Run();
if (SUCCEEDED(hr))
{
wprintf(L"Started recording...press Enter to stop recording.\n");
boost::chrono::duration<double> sec = boost::chrono::system_clock::now() - start;
std::cout << "took " << sec.count() << " seconds\n";
char ch;
ch = getchar();
}
hr = pControl->Stop();
wprintf(L"Stopped recording.\n");
SaveGraphFile(pGraph, L"C:\\MyGraph.GRF");
}
pSink->Release();
pASFWriter->Release();
pVideoInputFilter->Release();
pAudioInputFilter->Release();
pControl->Release();
pGraph->Release();
pCaptureGraph->Release();
CoUninitialize();
return 0;
}
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How to check whether a 100 digit no is prime or not using strings and classes in c++
khan
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The first thing you need is a mathematical formula, or algorithm that will give you the answer. Without that it is impossible to write the code.
Unrequited desire is character building. OriginalGriff
I'm sitting here giving you a standing ovation - Len Goodman
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I wrote some code using the visual c++ 6, now I need to convert to visual stutio 2010 professional.
I am new and need to get guidance from Gurus. What I have to change the code ? how to convert ? what is the best way to convert?
Thanks
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There is nothing you need to do beyond moving your source code into a Visual Studio project, rebuilding it and correcting any compiler or linker errors.
Unrequited desire is character building. OriginalGriff
I'm sitting here giving you a standing ovation - Len Goodman
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I found an useful example here http://code.msdn.microsoft.com/CppStorageEnum-90ad5fa9[^].
It`s performing exactly what I need to do.
I need to port it in VS6. Can anybody help me?
36. When you surround an army, leave an outlet free.
...
Do not press a desperate foe too hard.
SUN-TZU - Art of War
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I had a short look on the sources and think that it can be used with VC6 when linking against the setupapi.lib. However, you need some header files from the Windows Driver Kit (scsi.h, ntdddisk.h) which may need manual editing when not from an older WDK. The other header files should be present in the platform SDK.
I suggest to add the files to a new VC6 project, add the setupapi.lib to the additional libraries and start a build.
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I`ll try...
<br />
36. When you surround an army, leave an outlet free.<br />
...<br />
Do not press a desperate foe too hard.<br />
<br />
SUN-TZU - Art of War<br />
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