How can I see the interfaces of a ocx file?

windows visual-c++ com ocx
Sid Zhang picture Sid Zhang · Mar 16, 2011 · Viewed 12.9k times · Source

I want to see the interfaces of an ".ocx" file. Like this:

enter image description here

But for some .ocx, I can only see 5 functions, Like this:

enter image description here

The question is: How can I see the interfaces of these ocx file. I have try this:

A.
a) I want register it and see it in visual studio. But when I register it, an error appears "LoadLibrary(path:\filename.ocx) failed". Like this:

enter image description here

b) Then I used 'Dependency Walker' open the ocx, found the file dependences no DLL files . enter image description here

c) How can I register it?

B. I use "Dll Export Viewer" and now I can see the function's name but still can not get the function's parameters. How can i get the parameters of a function?

Answer

Marius Bancila picture Marius Bancila · Mar 16, 2011

Did you try the OLE/COM Object Viewer? http://www.microsoft.com/downloads/en/details.aspx?FamilyID=5233b70d-d9b2-4cb5-aeb6-45664be858b6&displaylang=en

Related questions

Which version of MSXML should I use?

Seems like this would be a common question, though I could not find it on SO. Which version of MSXML should I use in my applications, and more importantly, how should I decide? There is MSXML3, 4, 5 and 6. I recently posted …

Read More
CoCreateInstance returning E_NOINTERFACE even though interface is found

I have a COM class CMyCOMServer implementing IMyInterface in one application, both with correct GUIDs. CMyCOMServer::QueryInterface will return S_OK (and cast itself to the right type) if IUnknown or IMyInterface is requested, otherwise it returns E_NOINTERFACE. In …

Read More
How to best convert CString to BSTR to pass it as an "in" parameter into a COM method?

I need to convert a CString instance into a properly allocated BSTR and pass that BSTR into a COM method. To have code that compiles and works indentically for both ANSI and Unicode I use CString::AllocSysString() to convert whatever …

Read More