边缘检测
........\Debug
........\.....\edge.exe
........\.....\edge.ilk
........\.....\edge.obj
........\.....\edge.pch
........\.....\edge.pdb
........\.....\vc60.idb
........\.....\vc60.pdb
........\edge.cpp
........\edge.dsp
........\edge.dsw
........\edge.ncb
........\edge.opt
........\edge.plg

........\Makefile