获取屏幕上某点的颜色值
......................\Debug
......................\.....\Example013.exe
......................\.....\Example013.ilk
......................\.....\Example013.obj
......................\.....\Example013.pch
......................\.....\Example013.pdb
......................\.....\Example013.res
......................\.....\Example013Dlg.obj
......................\.....\StdAfx.obj
......................\.....\vc60.idb
......................\.....\vc60.pdb
......................\Example013.aps
......................\Example013.clw
......................\Example013.cpp
......................\Example013.dsp
......................\Example013.dsw
......................\Example013.h
......................\Example013.ncb
......................\Example013.opt
......................\Example013.plg
......................\Example013.rc
......................\Example013Dlg.cpp
......................\Example013Dlg.h
......................\ReadMe.txt
......................\Release
......................\.......\Example013.exe
......................\res
......................\resource.h
......................\...\Example013.ico
......................\...\Example013.rc2
......................\StdAfx.cpp
......................\StdAfx.h