From Tracker Software PDF SDK
Removes items from the attachments list by index.
HRESULT Remove([in] ULONG nIndex, [in, defaultvalue(1)] ULONG nCount);
- [in] Starting index of the items to be removed from the attachments list.
- [in, defaultvalue(1)] Number of the items to be removed from the attachments list starting from the given index.
Returns S_OK if the operation was successful, or will return an error code if it fails.