I use IVbaProjItemCol::CreateDocumentProjItem to create a projectitem. The projectitem need call SetExtension toassociates an extension.
I findIVba::CreateExtensioncan create a extension. But i don't known how to using it.
Can someone help me? Thanks a lot.
What are you trying to accomplish? You mention API in your thread title, but the way you've described what you're doing, it sounds like you're working through .NET.
Thanks for your reply.
I have used Core API to integrated VBA 6.3 into my application.
The following is the document about the API. May someone please tell me what do CEO and EO mean?
Generates the extension object for an associated controlling extensible object (CEO) and extensible object (EO).
HRESULT IVba::CreateExtension(punkOuter, punkBase, punkExtender, ppunkExtension);IUnknown *punkOuter
IUnknown *punkBase
IUnknown *punkExtender
IUnknown ** ppunkExtension
Parameters
Return Value
The returned HRESULT value is one of the following:
| Return value | Meaning |
|---|---|
| S_OK | Success. |
| E_OUTOFMEMORY | Out of memory. |
| E_INVALIDARG | One or more parameters are invalid. |
Comments
It is not required that you set the extension using IVbaProjItem::SetExtension until you are expecting code to execute or the host is in a state where code might execute. For example, an event could fire where there is code behind it. This action associates an extension, a CEO and EO, with a document project item and the relevant document site.
IVba::CreateExtension can be called before a project is loaded or created.
