>- When I drag a grid to a form, is there any way to use my own classes as the objects used in the grid?

Tools > Options > Field Mapping > Multiple. Modify the class name to be your class from your class library.


>- Do you know what font should I use in order to produce text on printers, mainly Dot Matrix to match your Grandparent's fonts? Please note that I still use print commands ( ? ) in order to produce output in some cases.

I'm not sure, but I'd think Courier New would give you what you want.