Subform - disable ability to add rows

Subform - disable ability to add rows

I have a subform where I have hidden some columns, and disabled the rest (data is entered from a separate report); therefore, the rows are read-only.

Can I disable the user's ability to add a new row to the sub-form?  With all the fields hidden or disabled, a user can add a row - altho they won't be able to enter any data.  Is it possible to disable the adding of rows altogether?

for that matter....
Can I disable the user's ability to delete rows from a sub-form?

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