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Archive Notice: This thread is old and no longer active. It is here for reference purposes. This thread was created on an older version of the flipcode forums, before the site closed in 2005. Please keep that in mind as you view this thread, as many of the topics and opinions may be outdated.

March 22, 2005, 02:09 AM


I am using the SampleGrabber example filter by calling CoCreateInstance but got the following link error:

error LNK2001: unresolved external symbol _CLSID_GrabberSample

Can anyone tell what I am missing.

Thanks in advance.


March 22, 2005, 09:50 AM

Are you linking in the source files from the sample, or using it as a separate filter DLL? If it's separate, you'll need to define the guid in your calling program by including the header or copy/pasting the code.

I can't remember the layout of that particular sample, but try a search for CLSID_GrabberSample to see where it's defined. That's what you need.

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