TIWCGJQGMap3StreetViewPanoramaEvents.OnPanoChanged Property
This event is fired when the panorama's pano id changes. The pano may change as the user navigates through the panorama or the position is manually set. Note that not all position changes trigger a pano_changed.
published property OnPanoChanged: TIWCGJSonFunc index 02 read GetFuncValue write SetFuncValue stored IsFuncStored;