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yes you are right there, Salem.

forgive me for making posts about problems prematurely but i am quite new with the MFC and C++ syntax. and i always ask a lot of questions..

Thanks again to all....

an example of th e code used is:




hr = GetInterfacesMoniker();

if(FAILED(hr))
{

The title shows this error i am getting:

'DisplayMesg': identifier not found, even with argument-dependent lookup

I think i am missing certain header or namespace but not sure which it is.

...

ahh yes you are right. i did not have my function implementation codes. I just saw an example the moment you posted.

Thanks a lot anyway.

Cheers to all that replied.

a code i am learning. It is not a library.

**added**

i should elaborate more.

so i have a header file:

Hi,

Can someone explain what does this error means?

Webcam error LNK2001: unresolved external symbol "protected: long __thiscall CCaptureVideo::OnGraphNotify(unsigned int,long)"...

Ok i got this. Thanks a lot again. :)

Ok.. so it is just saying that:

since the macros is indeed not include,

define the macros,

and the macros is in fact the rest of the header file.

Is my understanding correct?

Hi all,

Learning from some examples when i see these macros being. I am not sure what there are for even after i looked at the MDSN documentation. Please explain to me. Thnx!

#if...

Oh... how ignorant i am......

okay, after all the blasting with questions... refreshing with C syntax... i finally sum up to this:

I have to use Directshow API to do my image and video tasks...

because it is a library file i am assuming that it should be error-free (since other people are using it just fine).

disabling the warning... how do it do that? does that allow the construction of...

okay... i see what you mean.. reading throught the "C++ Programming/Type Casting" on wikipedia.

The thing is the error comes from a header file in the open source library i mentioned. Should i...

Hi all,

I have gotten my hands on this open-source C/C++ library. They have all the source files and some test and demo files for us to use.

So at first i tried to create my own project and set...

I have been looking at some live video codes (actually i had these files for sometime). I only need the webcam.

It is at codeproject website:

http://www.codeproject.com/directx/LiveVideo.asp
...

Hi,

No wonder it would not work.

i am using windows XP SP2 with a real-time operating software installed.

The compiler i am with MATLAB (a setting "mex -setup" to set up MATLAB to use the...

Hi all,

I am trying to use a USB webcam to communicate with an engineering software; that is MATLAB: Simulink. I am trying to do so with the C S-Function. The C S-Function is a method that uses C...