c# - Using Namespaces in Other Projects -

as screenshot demonstrates, have project "sampleapp" uses namespaces of "edam" , "thrift." want replicate functionality of "sampleapp" project.

do have include 2 other projects ("edam" , "thrift") in other project? can copy folders instead of including actual project files? can convert them sort of dll or something?

don't copy folders, add references projects. if projects class libraries don't want copy dlls, instead should add references, in case dlls updated:

how to: add or remove references in visual studio