duo
...\bian.cpp
...\bian.dsp
...\bian.dsw
...\bian.ncb
...\bian.opt
...\bian.plg
...\Debug
...\.....\bian.exe
...\.....\bian.ilk
...\.....\bian.obj
...\.....\bian.pch
...\.....\bian.pdb
...\.....\duo.exe
...\.....\duo.ilk
...\.....\duo.pch
...\.....\duo.pdb
...\.....\vc60.idb
...\.....\vc60.pdb
...\duo.dsp
...\duo.dsw
...\duo.ncb
...\duo.opt
...\duo.plg