How To Prevent User from Adding or Deleting a Row in a Subform?

How To Prevent User from Adding or Deleting a Row in a Subform?

Is there any way to prevent a user from adding or deleting rows in a subform?  I preload the subform tables with just the rows I want the user to update and I don't want them to add or delete any of the rows.  The number of rows in the subform will depend on data in the parent, so I cannot use the feature that limits the number of rows (and that feature doesn't help me in preventing the user from deleting rows).

Jon