problem with set working directory

hi

i have a problem

i describe problem step by step for understand and help me and others

i make parts in new folder directory

make an  assembly and put parts in same directory

when i bring parts from diferent libraries the set working is set in location where i bring part (same problem when i bring a format,table from starting/setup directory )

result is i make disorder in my project

please tell me a solution for working with library

thanks

have a nice day