TiagoJesusTJS,
Por favor, veja as matérias:
-----------------------------------------------------
Engenharia Reversa com C#
http://netcoders.com.br/engenharia-reversa-c/
-----------------------------------------------------
Engenharia Reversa no Entity Framework 5
https://msdn.microsoft.com/pt-br/library/jj856239.aspx?f=255&MSPPError=-2147217396
-----------------------------------------------------
O que é Engenharia Reversa no Entity Framework 5?
https://imasters.com.br/framework/engenharia-reversa-entity-framework-5/?trace=1519021197&source=single
-----------------------------------------------------
Entity Framework - Engenharia Reversa com CodeFirst
https://www.youtube.com/watch?v=bF_pZK-iBbM
-----------------------------------------------------
[]'s,
Fabio I.