There are no problems when I work with TDBGrid. I use tbl_* functions and they work well.
But now I have to work with TCustomDBGrid (it's a parent class for TDBGrid). I've performed the add_delphi_oblect() command and now WR recognizes these grids well (I can see all properties of these grids except the "TableContent" property).
But the tbl_* functions say "Operation is not appropriate for this widget class".

Are there any ways to solve my problem?