The last set of interfaces implemented by the TSF manager are the 'odd-ball' interfaces that don't really fall into any other logical groups. 

Helpers

The interfaces in this category provide auxiliary services for applications or text services. 

Interface

How to Obtain

ITextStoreACPServices

QI on ITextStoreACPSink

ITextStoreACPSink

Passed to ITextStoreACP::AdviseSink

ITfEditRecord

Passed to ITfTextEditSink::OnEndEdit

 

MSAA interoperability

These interfaces were originally created to allow TSF to interoperate with MSAA.  Unfortunately, no 3rd party developers implemented the MSAA client support needed to make these interfaces work, so at this point, these interfaces are effectively obsolete.

Interface

IAnchor

ITfMSAAControl

ITextStoreAnchor

ITextStoreAnchorSink