Before forgive me because my english so bad,
I wanna build a software as same as dictionary software where that software contain an unicode such as arabic, and chinese text, I before never built this one. can you help me about this. because this software not present in our country (Indonesia)

Unicode Arabic and others
Ningauble
You didn't specify any problem. But I can give you a hint, import System.Text package. this pack contains Text classes such as unicode encoding.