[<b4i_googlemapsextra 0x17d6e940> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key selectedMarker.
m = gmap.AddMarker2(Point.Latitude, Point.Longitude, "trial", Colors.Red)
gextra.SetSelectedMarker(m)
...
Dim oiwcl As OnInfoWindowClickListener
oiwcl.Initialize("InfoWindow")
gmapextras.SetOnInfoWindowClickListener(gmap, oiwcl)
....
Sub InfoWindow_click(Marker1 As Marker)
Log("click on infowindow")
End Sub