C API Call to utilise Lotus Notes Help window

Does anyone have a bit of C API (via LotusScript) that can call the Lotus Notes Help window (the one that gets displayed when, for example, you bring up Document Properties and then click on the [?] icon and pass it a document ID to display it.

This window is different to using a Dialog Box (which I’ve tried to replicate the full functionallity, but without full success.

What the window gives is fixed size, a vert scroll bar on the window and a formatted content page.