From Tracker Software PDF SDK
Finds item in the attachments list.
HRESULT Find([in] IPXC_FileSpec* pItem, [out, retval] LONG* nIndex);
- [in] Pointer to IPXC_FileSpec containing the item to search for in the attachments list.
- [out, retval] Returned index of the item in the attachments list.
Returns S_OK if the operation was successful, or will return an error code if it fails.